——What happened to her teeth?——She______the apple more than she could chew.
   A.has bitten    B.bit    C.had been bitting    D.bites

Tom______for more than a week.
   A.has left    B.had gone away    C.went away    D.has been away

——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

——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

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

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

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

It______and the streets were still wet.
   A.had been raining    B.rained    C.had been rained    D.would rain

Hardly______the bell______when the teacher came in.
   A.did;ring    B.would;ring    C.has;rung    D.had;rung

What______you______this time next Friday?
   A.will;do    B.have;been doing    C.are;doing    D.will;be doing