—What were you doing _________your mother was cleaning up the room? —
题型:同步题难度:来源:
—What were you doing _________your mother was cleaning up the room? |
—I was reading a book. |
[ ] |
A. until B. if C. while D. though |
答案
C |
举一反三
Tom never does his homework _______ Mary. He makes lots of mistakes. |
[ ] |
A. so careful as B. as carefully as C. carefully as D. as careful as |
I"m really shy and just don"t know what to do in front of people. _______I don"t know anyone there? |
[ ] |
A. What if B. How if C. What"s up D. Why |
—Don"t worry. He"ll come and help you. — he doesn"t come? |
[ ] |
A. What B. Why C. What if D. How if |
I usually sleep with the window open __________ it’s very cold. |
[ ] |
A. until B. unless C. when D. if |
She worked so quietly __________ no one knew she was there. |
[ ] |
A. which B. after C. as D. that |
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