—What are you busy______?—I"m busy______ to the radio. [ ]A. doing, lis
题型：同步题难度：来源：
—What are you busy______?
—I"m busy______ to the radio. |
| [ ] |
A. doing, listening
B. do, listening
C. to do, listens
D. on. listening |
答案
| A |
举一反三
| His subject is ______. |
| [ ] |
A. swims
B. swim
C. swiming
D. swimming |
| Susan has a lovely dog and she enjoys_____ it. |
| [ ] |
A. to walk
B. walks
C. walking
D. walk |
| After _____ homework, he goes to bed. |
| [ ] |
A. doing
B. do
C. does
D. to do |
| My father usually goes _____ on Sundays. |
| [ ] |
A. fishing
B. fish
C. fishes
D. to fish |
—What about _____ him a birthday card?
—No, let"s _____ him a computer game. |
| [ ] |
A. send, give
B. sending, give
C. send, giving
D. sends, give |
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