It is ________ he often fails in exams ________ makes his parents worried about him.
#85076
A
what;that.
B
that;what.
C
that;that.
D
because;that.
推荐题目
It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.
#85094
A
where, that
B
that, which
C
that, where
D
which, that
Can you tell me________it was________your cellphone was lost? 
#84700
A
where;that
B
which;that
C
that;where
D
where;which
It was not until she had arrived home _______ her appointment with the doctor. 
#85138
A
when she remembered
B
and she remembered
C
did she remember
D
that she remembered