问题描述：
1
My sister _______ a book about France last year but I don't know whether she has finished it .
A .had written B.wrote C.was writing
2
The sports meet has to be __________ because of the heavy rain
A.put up B.put on C.put down D.put off
3
E-mail is very popular today,people seldom write letters now,______ they
A.didn't B.don't C.do D.did
回：
seldom 算不算否定词？
My sister _______ a book about France last year but I don't know whether she has finished it .
A .had written B.wrote C.was writing
2
The sports meet has to be __________ because of the heavy rain
A.put up B.put on C.put down D.put off
3
E-mail is very popular today,people seldom write letters now,______ they
A.didn't B.don't C.do D.did
回：
seldom 算不算否定词？
问题解答：
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