题目内容
Mike cuts the birthday cake after ____ the song.
[ ]
A. sing
B. singing
C. to sing
D. sings
答案:B
解析:
解析:
|
after是介词,介词后动词用ing形式。 |
练习册系列答案
相关题目
题目内容
Mike cuts the birthday cake after ____ the song.
[ ]
|
after是介词,介词后动词用ing形式。 |