---I’ll ask the teacher about past tense. I’m very puzzled about it. --- That is just _____ most of our classmates have doubt.
#79488
A
what
B
why
C
where
D
how
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
His ability is never in doubt----the question is _______he is prepared to work hard.
#79508
A
whether
B
if
C
that
D
where
Being determined is a good quality and that’s it takes to do anything well.
#79412
A
what
B
which
C
where
D
how