He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
#79369
A
why
B
how
C
because
D
whether
推荐题目
That art center is _______ used to be a factory, ______ millions of tractors were produced.
#79451
A
where; where
B
what; where
C
what; which
D
where; which
Is this research center _________ you met some foreign guests last week?
#79484
A
that
B
where
C
which
D
in which
(2010·江苏)—I prefer shutting myself in and listening to music all day on Sundays.—That's ________ I don't agree.You should have a more active life.
#79342
A
where
B
how
C
when
D
what
The reason why they failed the test was ____ they didn’t sleep at all the night before.
#79384
A
because
B
why
C
that
D
for which