用 for 或 since填空
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用 for 或 since填空
用 for 或 since填空. |
1.He's been waiting for you ______ two hours. 2.John has been living here ______ 2008. 3.I've been staying in London ______two weeks. 4.Jack has been studying French ______ he was mine. 5.I slept only ______ two hours last night.Now I feel very tired. |
1.for 2.since 3.for 4.since 5.fo