题目内容
I ________ violin lessons every two weeks, but I think I'll make it every week from next month.
[ ]
A.
am having
B.
have had
C.
have
D.
have been having
答案:D
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题目内容
I ________ violin lessons every two weeks, but I think I'll make it every week from next month.
am having
have had
have
have been having