问题
选择题
The students should ________ to choose their own clothes. It will be a good way _____ themselves happy.
A.allow, to keep
B.allowed, keeping
C.be allow, keeping
D.be allowed, to keep
答案
答案:D
情态动词should的被动语态应该为should be +动词的过去分词,即should be allowed to do sth,a good way to do sth,动词不定式作后置定语,故选答案为D