1. If I see him, I ___ (give) him a gift.
2. If I had a typewriter, I ___ (type) it myself.4. You could make better progress if you ___ (attend) class regularly.
5. If I ___ (know) his telephone number, I’d give it to you.
6. If you ___ (arrive) ten minutes earlier, you would have got a seat.
7. If he worked more slowly, he ___ (not make) so many mistakes.
8. I shouldn’t drink that wine if I ___ (be) you.
9. If I ___ (find) a cheap room, I will stay a fortnight.
10. A lot of people ___ (be) out of work if the factory closed down.
12. If someone (give) …………….you a boat, what you (do) ……?
13. If you...........(press) CTRL + S, you...........(save) the file.
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Sinh Học lớp 12
