The Americans had to put off _______ the space shuttle. [ ]A. l
题型：同步题难度：来源：
| The Americans had to put off _______ the space shuttle. |
| [ ] |
A. launch
B. launching
C. to launch |
答案
| B |
举一反三
-Would you mind down the radio?
-Of course not. |
| [ ] |
A. to turn
B. turning
C. turn |
| 用所给词的适当形武填空。 |
1. My sister is considering __________ (change) her job because of the low salary.
2. How many _______ (fall) have you seen?
3. This is an ________ (educate) book.
4. _________ (lucky) , my sister helped me with my housework.
5. After the flood, many people became ________ (home). |
| 用所给词的适当形式填空 |
1. The story has a happy _ (end).
2. The reason why he came is not very _(convince).
3. Have you ever _ _(be) to the Water Park?
4. There was something wrong with my car yesterday, but a kind man gave me a _(rode).
5. My father ________ (work) in this factory since 1980. |
| Peter is busy _______ his clothes. |
| [ ] |
A. packing
B. packking
C. to pack |
| The bell rang for class and the students all stopped ___________. |
| [ ] |
A. to talk
B. talking
C. talked |
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