问题
选择题
Jack wasn ' t saying anything but the teacher smiled at him _____ he had done something very clever. [ ]
A. as if
B. in case
C. while
D. though
答案
答案:A
Jack wasn ' t saying anything but the teacher smiled at him _____ he had done something very clever. [ ]
A. as if
B. in case
C. while
D. though
答案:A