用适当的时态填空
1.She ____________ (live) here ever since she was ten.
2.Both of them _____________ (be) in Hongkong for ten days.
3.Both of them _____________ (come) to Hongkong ten days ago.
4.Half an hour __________ (pass) since the train __________ (leave).
5.Mary________(lose) her pen.________ you ____________ (see) it here and there?
6._________ you __________ (find) your watch yet?
7.---Are you thirsty?---No I ________ just __________ (have) some orange.
8.We __________already ___________ (return) the book.
9._________ they _________ (build) a new school in the village?
10.I ___________(not finish) my homework .Can you help me?
11.My father ____ _ (read) the novel twice.
12.I _____ ___ (buy) a book just now.
13.I __ _______ (lost ) my watch yesterday.
14.My father ___________ (read) this book since yesterday.