This kind of CD-ROM is very popular. Why not buy one before it___________?
A. comes out B is come out C. is sold out D. sells out
Taiwan is _____ the southeast of China and Japan is _____ the east of China.
| A．in ; to | B．in ; in | C．to ;to | D．to ; in |
--Mom, there are two apples. Are they for me?
--- Yes. You can have _____ . Leave one for your little brother.
| A．both | B．all | C．neither | D．either |
---Mr. Wang, I have trouble _____ the text.
---Remember _____ it three times at least.
| A．to understand; reading | B．understanding; reading |
| C．understanding; to read | D．to understand; to read |
---Does Ted tell you _____ he will come next week?
---No, he doesn’t. But _____ he comes, I’ll give you a ring.
| A．if ; whether | B．whether; whether |
| C．if; if | D．if; until |
---Where is Jane?
--- I think _____ she is in the library. She wants to borrow a book about Chinese food.
| A．when | B．/ | C．that | D．B and C |