Ⅰ.用动词的适当形式填空
1．By the time Edison was ten, a chemistry lab ________ (build)．
2．The dish ________ (eat) up when I got there.
3．________ the new plan ________ (discuss) before the meeting?
4．Was the boy reminded that his homework ________ (not hand in)?
5．Which hospital ________ Mary ________ (send) to before midnight?
6．When I saw him his arm ________ (break)．
7．When I arrived the project ________ (complete)．
8．When she came the ticket ________ (sell) out.
9．All the lights ________ (turn off) before I went to bed.
10．By the time he got to the school, the first period ________ (finish)．
