七年级的选择题
You'd better ____ your homework frist.
A finish B to finish C to finishing D finishing
参考答案:had batter do sth.
选A
可以看作情态动词后用动词原形
You'd better ____ your homework frist.
A finish B to finish C to finishing D finishing
参考答案:had batter do sth.
选A
可以看作情态动词后用动词原形