A. If
B. Therefore
C. However
D. Unless
第2题
-How often do you go to the cinema? -( ).
A: I like cinemas
B: Last week and the week before
C: I've never been to the cinema
D: once a year
第4题
This is change ( )never before experienced.
A: with a scale
B: in a scale
C: for a scale
D: on a scale
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