s home- work. ?2. Tom hasn ’t finished his homework yet. 3.What! Have you already finished it? ? Shall we eat lunch? I am ________ hungry. ? Have you met our foreign teacher _____? ? No, not ______. ? Has the bell rung _____? ? Yes, It has ________ rung. ? puter has not been repaired ____. ? We have _______ changed the plan because Linda hasn ’ t made up her mind ______. Have you ordered the takeaway food _____? ? Yes. We have ________ ordered it. already yet yet yet already already yet yet already yet Fill in already or yet when needed 现在完成时的用法?目前已经完成的动作,动作或状态发生在过去但它的影响现在还存在。例如: I have lost my wallet.( 含义是:现在我没有钱花了.) ?现在完成时可以用来表示发生在过去某一时刻的,持续到现在的情况,常与 for,since 连用。例如: Mary has been ill for three days. ?现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作。例如: We have had four texts this semester.
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