I _______ in Shanghai last term. But now I ______ in Beijing. A: study, studied B: studied, studied C: studied, study D: studied, studies

By the end of last term we ___ English for two years. A: have studied B: have been studied C: would studied D: had studied

He spoke English well. He _____the language for years. A: should have studied B: ought to have studied C: must have studied D: could have studied

Jenny_____Englisheveryevening. A: hasstudy B: studied C: study D: is studied

is an important qualification for the job. A: Having studied computer B: Have studied computer C: Studied computer D: Study computer

I really regretted wasting the hours when I______ hard, but it was too late. A: must have studied B: could have studied C: need have studied D: should have studied

My grade on the examination is terrible, I wish I ____ for it more thoroughly. A: have studied B: had studied C: studied D: will study

（） hard, I would have gone to college. A: If I studied B: Did I study C: If I have studied D: Had I studied

The silkworm is an insect worth_____. A: to study B: studying C: to be studied D: being studied

The teacher requested that （） so as to find a solution as soon as possible. A: the students studied the problems more carefully B: the problem would be more carefully studied C: the students had studied the problem with more care D: the problem be studied with more care