Choose the best anwser.

1.We are sorry that we (not reply)... the last letter up to now.

A.haven't replied. B.don't replied. C.didn't reply. D.hadn't replied.

2.They said that they (watch)... television for two hours the night before.

A..watched. B.were watching. C.have watched. D.had been watching.

3.It is urgent that the victim (be given) a good care by the doctor.

A.is given. B.be given. C.was given. D.will be given.

4. You (know) any Japanese when you first (arrived) here?

A.Did you know-arrived. B.Did you know-arrive. C.Have you known-arrived. D.Did you known-have known.

5.I (hear) that they (look) for drugs.

A,hear-looked. B.heard-were looking. C.heard-looked. D.heard-had looked.

6.She saw that two boys (fight) at a street corner and a policeman (try) to stop them,

A.fought-tried. B.were fighting-was trying. C.were fighting-tried. D.had fought-tried.

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