(2013·日照一模)—What has made John look like lacking sleep?—________ he had to prepare for the coming exam and stayed up last night.
#30430
A
For
B
Because
C
That
D
What
推荐题目
Judy is popular with everyone because she says what she means, ________ she means what she says.
#30705
A
so
B
and
C
or
D
but
He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on.
#30646
A
where; /
B
when; what
C
that; what
D
where; that
Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.
#33536
A
since
B
after
C
before
D
when