mary is good at[ ]the piano A.play b.plays c.playing d.to play
问题描述:
mary is good at[ ]the piano A.play b.plays c.playing d.to play
答
C
后面跟名词或动名词
答
be good at后面接名词。所以应该选play的名词形式C。
答
C
因为前面有AT了
答
Cbe good at +doing 擅长做某事
答
选c 因为有个词组叫be good at doing something
答
C be good at doing 在...方面擅长的意思