EXERCISE IV: Use “if” in place of “unless”
1/ We won’t go out unless it stops raining.
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2/ I will call the police unless you give back my bicycle.
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3/ You wouldn’t be able to do this exercise unless your English were good.
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4/ Unless we had enough rain, we couldn’t grow rice.
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5/ The fishermen couldn’t have caught a lot of fish unless they had had good nets.
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Conditional Sentence Type II :
1/ He (come) _______ if you waited.
2/ If you (ring) _______ the bell, the servant would come.
3/ If it (not, rain) _______ a lot, the rice crop wouln’t grow.
4/ If today (be) _______ Sunday, we wouldn’t have to work
5/ You would have to stay in bed unless your health (improve) _______.
6/ If I (have) ________ a typewriter, I could type it myself.
7/ What (you do) ________ if you got fat ?
Conditional Sentence Type III:
1/ If I had known that you were in hospital , I (visit) ________ you.
2/ If you (arrive) ________ ten minutes earlier, you would have got a seat.
3/ If you (speak) ________ more slowly,he might have understood you.
4/ If I had known that the baby was hungry, I (feed) _______ him.
5/ If she had had your address, she (write) _______ to you.
6/ If she (write) _______ more carefully, she might not have made too many mistakes.
Conditional Sentence Type I:
1/ If he (study) ________ harder, he can pass an exam.
2/ She may be late if she (not hurry) ________.
3/ Tell him to ring me if you (see) ________ him.
4/ If you are kind to me, I (be) _______ good to you.
5/ If he (give) _______ up smoking, as his doctor orders, he will be soon well again.
7/ You (not pass) ________ your driving test unless you drive more carefully.
8/ He’ll be ill if he (not stop) ________ worrying so much.
9/ We’ll go to the beach tomorrow if it ( be) ________ nice.
10/ Jane never( get) ________there on time if the train leaves soon
Cho tam giác ABC vuông góc tại Am AB<AC. Gọi I là trung điểm của BC, qua I vẽ IM vuông góc AB tại M và IN vuông góc AC tại M.
a) Chứng minh tứ giác AMIN là hình chữ nhật.
b) Gọi D là điểm đối xứng cuả I qua N. Chứng minh ADCI là hình thoi.
c) Đường thẳng BM cắt DC tại K. Chứng minh DK/DC = 1/3
Một hòn bi kim loại được treo vào lực kế, trong không khí lực kế chỉ 3,5N. Khi nhúng chìm trong nước lực kế chỉ 2,5N. Tính lực đẩy Ác-si-mét tác dụng lên bi sắt và trọng lượng riêng của bi sắt đó. Biết trọng lượng riêng của nước là 10000 N/m3
Mong các bạn giải chi tiết cho mình vs nhé!!! MÌnh đang cần gấp ak !!! ^_^