一、单项选择:
1、When I her in the hall, she was playing the piano.
A.see B.saw C.will see D.am seeing
2、I’ll go with you when I my work.
A.will finish B.finished C.finish D.would finish
3、He will do better in English if he harder.
A.will work B.works C.working D.work
4、He told them on with the