新概念英语（第一册中的题）
（1）Bob___(go) to school yesterday,because he was ill.（2）The girl who we____(see) just now is my classmate.（3）By the end last week,I____(read) three books.（4）These are some photographs that I_____(take) last month.（5）Must I____(finish) my homework first?（6）When we____(arrive) the station,the train_____(leave) （7）It's too late.I have to____(go) immediately.（8）Your friend had arrived here,_____(have)he?（9）Last week,we went to the park and we____(have)a good time.（10）We____(clean)the room before you came.