IV Give the right forms of the verbs in brackets: Simple future or Simple present. 1. We'll go out when the rain (stop)……………….. 2. I (stay) …………………here until he (answer)……………….. me. 3. Wait until I (catch) ………………..you. 4. She (not come) ……………………….until you (be)…………………… ready. 5. Miss Helen (help) ……………you as soon as she (finish)……………… that letter tomorrow. 6. After the class (be) …………………..over, ask the teacher about that sentence. 7. I (come) ………………….and (see)……………….. you before I leave here. 8. We (go)………………………… home as soon as we have finished our work. 9. I (wait) ………………….here until you (come) …………………..back tomorrow. 10. I (send) ………………..you some postcards as soon as I (arrive)………………. in London.

làm ơn giúp mình , mình sẽ đánh giá 5 sao và cảm ơn , cho tất cả các bạn trả lời hay nhất

. They (clean) the beach one week ago. . 2. They (collect) hundreds of books so far. . 3. I (collect) stamps when I was a child. . 4. She (fly) to Da Nang many times but last year she (go) there by train. . 5. You ever (see) a real lion? No, but I (see) a real elephant when we went to the zoo last month. .

IIIGive the right forms of the verbs in brackets: Past tenses. 1. Yesterday John (go)……………… to the store before he (go)………………… home. 2. Our teacher (tell)……………….. us yesterday that he (visit)…………… England in 1970. 3. When John and I got to the theatre, the movie (start) …………………already. 4. Before Alice (go)…………………….. to sleep, she (call)……………….. her family. 5. When the phone (ring)……………………., I (have) …………………dinner. 6. Daisy (agree) …………………..with other members in the last meeting. 7. What you (do)…………………. at 6 p.m yesterday? 8. The little girl asked what (happen) …………………to her ice-cream. 9. He (teach) ………………in this school before he (leave) …………….for England. 10. She (win)………………. the gold medal in 1986.

Helppppppppppppppppppppppppppppp

Mấy bạn giúp mình giải thích nha, mình biết làm nhưng k biết cách giải thích cho người khác hiểu

bai 7 nha mn ................=)

rút gọn các biểu thức sau : A= (2/ √7 -5)-(2/ √7 +5) ( chỉ √ mỗi số 7 thôi nha) B= ( ( √7+ √5)/ √7 - √5)+(( √7- √5)/ √7 + √5))

II. Give the right forms of the verbs in brackets: Simple past or Past perfect. 1. They (go)………………. home after they (finish) …………………their work. 2. She said that she (already, see) ……………………….Dr. Rice. 3. When we came to the stadium, the match (already, begin)…………………. 4. They told me they (not, eat) …………………such kind of food before. 5. He (ask)……………….. why we (come) ……………….so early. 6. After they had gone, I (sit)…………………. down and (rest)…………………. 7. Before she (watch) …………………..TV, she (do) ……………..her homework. 8. After taking a bath, he (go) ………………to bed. 9. What (be)……………………. he when he (be) ……………….young? 10. It was the first time I (ever, see) ………………….such a beautiful girl.

Bài 1 Khi đánh số trang của một quyển sách có 160 trang, cần dùng bao nhiêu chữ số. Bài 2 Khi đánh số trang của một quyển sách, người ta cần viết 642 chữ số. Hỏi cuốn sách đó có bao nhiêu trang.