He _________ desperately in vain for som
题型:选择题
问题:
He _________ desperately in vain for something to say to break the silence.
A.thought about
B.cast about
C.talked about
D.set about
He _________ desperately in vain for something to say to break the silence.
A.thought about
B.cast about
C.talked about
D.set about