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luong2190
2 năm trước
Cho tia Ot nằm giữa, hai tia Oa, Ob không đối nhau; tia Om nằm giữa hai tia Oa, Ot; tia On nằm giữa hai tia Ob, Ot. Chứng tỏ rằng tia Ot nằm giữa hai tia Om, On.
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12) Bill and Calicia (drive) ______________________ to the mountains every year. every year. 13) We (eat) ____________________ pasta once a week. 14) It (snow) _________________ here in December. 15) When Dax (take) ___________ a shower, he (wash) __________ his hair with shampoo. Exercise 10: Fill in the spaces with the correct form of the verb in simple present tense. Example: I/You/We/They (play) play the guitar. Example: He/She/It (play) plays the guitar. 1) Mary (be) ___________________ twenty-nine years old. 2) We (like) __________________ to eat fruit. It (taste) ____________________ good. 3) The football team never (score) __________________ . It (lose) _____________ all the time. 4) Roberta and Betty always (talk) _________________ to each other on the phone. 5) Jose and I (study) ______________________ chemistry together. 6) The car (have) _________________________ a flat tire. 7) You never (make) ________ breakfast for me. I always (have) _______ to make it myself. 8) The mechanic (fix) __________________ my car when it breaks down. 9) Tom rarely (fly) _________________. He usually (drive) ___________________. 10) I usually (watch) ____________ TV, but tonight I (think) __________ I will read a book. 11) Igor (call) ___________________ his mother on the phone every day. 12) When he (be) _____________ alone at night, Beto sometimes (get) ___________ scared. 13) I (be) _______________ tired. I (think) _________________ I am going to take a nap. 14) Cakes (be) _________ hard to make. They (require) _____________ a lot of work. 15) Joel (like) ____________ to play soccer. He (practice) ________________ every day. Exercise 11: Fill in the spaces with the correct form of the verb in simple present tense. Affirmative (+): Example: He (play) plays the guitar. Negative (-): He (not, play) does not play the guitar. 1) I rarely (eat) _______ chocolate. I (not, like) _____ _____ _____the way it (taste) ______ 2) We (like) ___________ to watch movies. My favorite movie (be) __________ Titanic. 3) The ocean (sound) _______ like an airplane. 4) The flag (blow) _______________ in the wind every day. It is getting old. It (need)_________ to be replaced soon. 5) The janitor at my school (empty) ________________ the trash on Sunday. 6) Angelica always (try) ______________ to make new friends. 7) James (run) _________________ two miles every day. 8) Elizabeth often (march) _________________ with the band. 9) John and I (open) __________________ presents at Christmas. 10) When there is a fire, the firemen (rush) _________________ to put it out. After the fire (be)_______________ out, they (go) _______________ home. 11) I (be, not) _______ _______ tired. I (think) _____________ I will read a book. 12) Shelley (not, think) _______ _______ _______ this quiz is hard. But I (do) _______! Exercise 12: Fill in the spaces with the correct form of the verb in simple present tense. Example: I (play) play the guitar. Example: Jessica (play) plays the guitar. Example: He (not, play) does not play the guitar. 1) I always (eat) ___________ vegetables. Carrots (be) ____________ my favorite. 2) Randy (like) _______ swimming in the ocean, but he (be) _______ afraid of sharks. 3) It (be) _______ really cold outside, and I (not, have) _______ _______ _______ a jacket! 4) We (think) _________________ it is fun to ride roller coasters. 5) Roberto and Kelly (hunt) ___________________ for eggs every Easter. 6) The simple present tense (be) ___________________ easy! 7) My family (want) __________________ to visit the pyramids in Egypt. 8) Donna (love) _______ the summer. She also (like) _________________ winter. 9) Liz and Tommy (travel) _________________ to the coast every year. 10) The baby (cry) __________________ every time it (want) ________________ to be fed. 11) You (need) _______________ to exercise in order to stay healthy. 12) What time (be) _____________ Rubiela getting here? She (be) ____________ late! 13) Yoko (win) _____________ the science contest every year. She (be) _______so smart! 14) Ken (be) __________ a baker. He (bake) _________ cakes and pastries every morning. 15) Then he (sell) _______ them to his customers. Everybody (love) _______ Ken's bakery.

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