I. Verb form
1. - You ever (parachute)?
– Yes. Once
- You (be) nervous?
2. If you don’t chew well, food (not digest) easily.
3. We (be) able to respire if there (be) no air?
4. Data (store) in hard disks.
5. In my opinion, this book is worth (read).
6. Jim has bought tickets. He (see) a movie with his sweetheart tonight.
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Sinh Học lớp 12
