_____ you _____ that South Korea has the Robot teachers?[ ]A. Did; hear
题型：期末题难度：来源：
| _____ you _____ that South Korea has the Robot teachers? |
| [ ] |
A. Did; hear
B. Have; heard
C. Do; hear |
答案
| B |
举一反三
| In the last few years, great changes _____ in China. |
| [ ] |
A. were happened
B. have been happened
C. have happened |
| In the last few years, they ______ three major concerts. |
| [ ] |
A. have had
B. had had
C. had |
| How"s Annie? I ______ her for a long time. |
| [ ] |
A. don"t see
B. won"t see
C. didn"t see
D. haven"t seen |
| I ______ to Hong Kong twice since I came to China 3 years ago. |
A. went
B. go
C. have gone
D. have been |
| We ______ 1, 000 English words since we ______ to this school. |
| [ ] |
A. learn; come
B. have learned; came
C. have been learning; came
D. have learned; come |
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