How many novels____since last year?
A.do you read B.did you read C.have you read D.had you read
I've studied in this school______.
A.since three years B.before three years C.since three years ago D.for three years ago.
The snow stopped five minutes_____.
A.ago B.before C.after D.since
I wrote a letter to her several weeks ago,but I____it in my pocket all these days.
A.keep B.kept C.have keeping D.have kept
Is this the first time you_____Beijing?
A.visit B.visited C.have visited D.have been
His grandpa_____for two years.
A.dies B.has died C.was dead D.has been dead
csince 用于现在完成时
csince可以与AGO连用
a ago与一般过去时连用
d all these days这些天，与现在完成时连用
c this is the first time that从句中用现在完成时
d 死了一段时间，要用延续性动词词组be dead
How many novels__C__since last year?
A.do you read B.did you read C.have you read D.had you read
I've studied in this school___C___.
A.since three years B.before three years C.since three years ago D.for three years ago.
The snow stopped five minutes__A___.
A.ago B.before C.after D.since
I wrote a letter to her several weeks ago,but I__D__it in my pocket all these days.
A.keep B.kept C.have keeping D.have kept
Is this the first time you___C__Beijing?
A.visit B.visited C.have visited D.have been
His grandpa__D___for two years.
A.dies B.has died C.was dead D.has been dead
都是考查的现在完成时的用法！
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