Kiểu hướng động nào được phát hiện ở rễ, ống phấn, lông tuyến ở cây gọng vó ăn côn trùng (Drosera rotundifolia): A hướng đất B hướng hóa C hướng sáng D hướng trọng lực

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II. Choose the best answer: (3marks) 1. ....................... does Lan have science class? a. When b. What time c. How long 2. History is ............. interesting and important subject a. a b. an c. the 3. Children should ........ to bed early. a. to go b. go c. going 4. Lan ............... reading books a. are b. is c. am 5. ................ don't you come to my house? OK. Let's go a. What b. How about c. Why 6. Blindman's bluff is a .......................... a. exercise b. game c. example 7. .............. are you doing? a. What b. Who c. When 8. Would you like ..................... badminton? a. play b. playing c. to play 9. Does Nam play marbles .................... recess? a. on b. at c. in 10. Mai learns ............. to use computer a. how b. when c. what 11. I am .............. my Math homework a. do b. doing c. to do 12. Jane is ..... beautiful than Hoa a. more b. the most c. fewer III. Put the verb in correct tense: (2marks) 1. He (travel) to work by car. ............................................................................................................. 2. The children (play ) soccer at the moment. ............................................................................................................... 3. She (not do ) her housework every afternoon. ............................................................................................................... 4. He (buy ) a new hat tomorrow? ................................................................................................................