题目内容:
A great deal of talking and listening that__________under casual circumstance may seem to be aimless.
A.is occurred
B.are occurred
C.occurs
D.occur
参考答案:
答案解析:
A great deal of talking and listening that__________under casual circumstance may seem to be aimless.
A.is occurred
B.are occurred
C.occurs
D.occur