问题
选择题
It's time ______ class. Listen ______ the teacher. [ ]
A. to; to
B. of; with
C. for; after
D. for, to
答案
答案:D
It's time ______ class. Listen ______ the teacher. [ ]
A. to; to
B. of; with
C. for; after
D. for, to
答案:D