31.--What happened to her teeth?

　 --She______the apple more than she could chew.

　 A.has bitten　　 B.bit　　 C.had been bitting　　 D.bites

30.Tom______for more than a week.

　 A.has left　　 B.had gone away　　 C.went away　　 D.has been away

29.--When______again?

　 --When he______,I’ll let you know.

　 A.will he come;will come　　 B.will he come;come

　 C.he comes;comes　　　　　　 D.will he come;comes

28.--she told me she had met you in London last year.

　 --______you______her since?

　 A.Had;met　　 B.Did;see　　 C.Would;meet　　 D.Have;seen

27.The teacher said we______ten lessons by the end of this term.

　 A.should have studied　　 B.were going to study

　 C.have studied　　　　　 D.should study

26.We______there when it______to rain.

　 A.were getting;would begin　　 B.were about to get;began

　 C.had got;had begun　　　　　 　D.would get;began

25.The book______on the ground for ten minutes but no noe has picked it up.

　 A.is lying　　 B.has lain　　 C.lay　　 D.has been lying

24.It______and the streets were still wet.

　 A.had been raining　　 B.rained　　 C.had been rained　　 D.would rain

23.Hardly______the bell______when the teacher came in.

　 A.did;ring　　 B.would;ring　　 C.has;rung　　 D.had;rung

22.What______you______this time next Friday?

　 A.will;do　　 B.have;been doing　　 C.are;doing　　 D.will;be doing