Jack wasn’t saying anything, but the teacher smiled at him he had done something
来源：网络
时间：
推荐文章
Jack wasn’t saying anything, but the teacher smiled at him _______he had done something very clever
A.as if
B.now that
C.while
D.though
试题答案
A
本题考查连词。as if好像。句意：杰克什么也没有说，但老师对他微笑好像他非常聪明的做某事。