问题补充:
You afraid of doing homework. You know, it’s easy. Just be careful.
A. don’t have to
B. have to be
C. don’t have
D. don’t have to be
答案:
A. don’t have to
B. have to be
C. don’t have
(答案→)D. don’t have to be
解析:句意:你不必担心做作业,你知道是很容易的,仔细点就行。这里是短语be afraid of doing sth害怕,担心;这里是have to的否定形式don’t have to,后面要跟动词原形。故选D。