1.Hello!May I speak to Bob?-Sorry,but he _____ for a month.A.had been away B.was left C.left D.has been away2.I ______ him since I began to live in the city,A.know B.have known C.knew D,will konw3.She _____ already ______ in this school for two years

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1.Hello!May I speak to Bob?-Sorry,but he _____ for a month.A.had been away B.was left C.left D.has been away2.I ______ him since I began to live in the city,A.know B.have known C.knew D,will konw3.She _____ already ______ in this school for two years

1.Hello!May I speak to Bob?-Sorry,but he _____ for a month.A.had been away B.was left C.left D.has been away2.I ______ him since I began to live in the city,A.know B.have known C.knew D,will konw3.She _____ already ______ in this school for two years
1.Hello!May I speak to Bob?-Sorry,but he _____ for a month.
A.had been away B.was left C.left D.has been away
2.I ______ him since I began to live in the city,
A.know B.have known C.knew D,will konw
3.She _____ already ______ in this school for two years.
A.was;studying B.will;study C.has;studied D.are;studying
4._____ he came to study in the university.he has made much progress.
A.While B.When C.Since D.After

1.Hello!May I speak to Bob?-Sorry,but he _____ for a month.A.had been away B.was left C.left D.has been away2.I ______ him since I began to live in the city,A.know B.have known C.knew D,will konw3.She _____ already ______ in this school for two years
1.D 看到for就是典型的现在完成时代表,然后因为left是点动词,所以不能用于完成时.
2.B since表示现在完成时
3.C already意思是已经,句子中又有for,要用现在完成时
4.C he has made much progress这句话运用了现在完成时,再根据句意,果断选C.
这几道题都是现在完成时的题型,同学好好学,因为很重要.