----_____is it that is troubling Mary ?----Working out the maths problem..
#70665
A
What
B
How
C
Why
D
Which
推荐题目
If you want to correct your composition, you’d better be more careful I have crossed out paragraphs for you.
#70342
A
that
B
when
C
what
D
where
I thought Father would be better, but _______it is, he is getting worse, which makes me more worried.
#73235
A
before
B
as
C
because
D
after
the sentence , so he asked the teacher to explain it again.
#67881
A
Not having understood
B
As he didn’t understand
C
Having not understood
D
He didn’t understand