The problem ______ many children,especially girls,have ______ school is getting more and more serious.
#74287
A
which;got out of
B
that;dropped out of
C
that;fallen out of
D
which;run out of
推荐题目
The river______ are covered with trees is polluted.
#74034
A
of which the banks
B
whose banks
C
the banks of which
D
A,B,C are right
He waited until it was dark ____ nobody could see him clearly.
#72328
A
so that
B
in order to
C
although
D
however