物理声现象简单手抄报:---Are you free tomorrow? --- I am busy______ nowadays

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A. reviewing
B. reviewed
C. to review
D. of reviewing

A
be busy (in) doing sth.
be busy with sth

busy doing sth.
选A

Are you free now? ( )you free this evening? A.Do B.Are C.Can ---Are you free tomorrow? --- I am busy______ nowadays free you mind 是什么意思？？ kimeru的Make you free you are right= you are ( ) ( ) you always are还是you are always Children under three years old are free. What are you do you If you are you like