He tried his best to solve the problem, _______difficult it was.
#68277
A
no matter
B
no matter how
C
whatever
D
although
推荐题目
, we could forgive him for his mistakes!
#70023
A
Were he still a child
B
If he is still a child
C
Did he realize he is wrong
D
He were still a child
The man will have to wait all day _______ the doctor works faster.
#74633
A
if
B
unless
C
whether
D
that
You haven’t answered my question _______ I can join in the game tonight.
#68344
A
if
B
whether
C
which
D
that
You have to leave now _________ you can catch the early bus．
#41411
A
so that
B
as soon as
C
because
D
if
The book was written in 1946, the education system has witnessed great charges.
#71797
A
when
B
during which
C
since then
D
since when