Not until ____ settle the problem. [ ]A. he returns can we B. he returns we
题型：同步题难度：来源：
| Not until ____ settle the problem. |
| [ ] |
A. he returns can we
B. he returns we can
C. does he return we can
D. does he return can we |
答案
| A |
举一反三
| _____, Carolina couldn"t get the door open. |
| [ ] |
A. Might she as try
B. As she might try
C. She might as try
D. Try as she might |
| Only _____ as an interpreter _____ how important it is to master English. |
A. when did I work; I realized
B. when I worked; I realized
C. when did I work; did I realize
D. when I worked; did I realize |
| Not until he left his home _____ to know how important the family was for him. |
A. did he begin
B. had he begun
C. he began
D. he had begun |
| Only when he reached the tea-house _____ it was the same place he"d been in last year. |
[ ] |
A. he realized
B. he did realize
C. realized he
D. did he realize |
| Only after they had discussed the matter for several hours _____ a decision. |
| [ ] |
A. they reached
B. did they reach
C. they reach
D. do they reach |
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