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ilms recently, Sandy? S : No, I about you? M : Yes, I _____________ (see)one. S : What is it about? M : I ______________ (fet) the ’s about Hong Kong. Have seenhaven’t have seen have fotten S: ______ your cousin ____ (go) with you? M : No, he ________ (be) very busy this week. S : Did you enjoy this film? M : Yes, I ___________ (learn)a lot about Hong Kong’s past and you _______ (visit)Hong Kong before? S : No, I I have heard about Hong Kong’s new airport. Did go didn’t has been have learnt Have visited haven’t M : Do you know how long it has in service. S : No, I don’t. M : Let me tell (be) in service since 1998. S: Oh,so it was one year after Hong Kong’s return to China! M: Yes. You must go and watch that film if you want to learn more about Hong Kong. has been 表示現(xiàn)在完成時的時間副詞 一、 since短語或從句表示過去的動 作延續(xù)至今, since之后的時間為一點 。 I ha