单项选择题
A.can't it B.isn't it C.hasn't it D.doesn't it
The dog was tearing the cloth（）its teeth.A.withB.by C...
单项选择题The dog was tearing the cloth（）its teeth.
A.with B.by C.through D.in
The doctor suggested that the patient（）in hospital for ...
单项选择题The doctor suggested that the patient（）in hospital for another week.
A.stayed B.staying C.stay D.to stay
The construction of the new bridge has been（）for two we...
单项选择题The construction of the new bridge has been（）for two weeks because of the bad weather.
A.devoted B.developed C.depended D.delayed
