If only we ____(have) a phone！ I’m tired of queuing outside the public box.
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He talks as if he___ (do) all the work himself, but in fact Tom and I did most of it.
I wish I___ (know) what’s wrong with mycar.
If you ______ (not take) those photos, you wouldn’t have been arrested.
气缸内作用有很大的_______负荷和_______负荷
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