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A: before
B: while
C: since
D: when
A: before
B: while
C: since
D: when
举一反三
- I haven't heard from him _____ he went abroad. A: When B: Before C: While D: since
- -- It is a long time _____ I saw you last.-- Yes. And it will be a still longer time ______ we see each other again. A: after; since B: since; before C: after; when D: since; while
- “It is a long time ______ I saw you last.”“Yes, and it will be a still longer time ______ we see each other again.” A: before/since B: since/before C: then/then D: when/when
- It was the first time _________ we had done the experiment. A: that B: since C: before D: when
- It was some time ____we realized the truth. A: when B: until C: since D: before