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
All of Manhattan, parts of Brooklyn and Queens are blacked out, and people have no idea ___ it’s coming back on.
#68529
A
that
B
when
C
how
D
where
You’d better not leave the medicine ______ kids can get at it.
#74429
A
even if
B
which
C
where
D
so that
---So you were in the supermarket __________ you heard a strange sound, right?---That’s true. I ran out as quickly as possible.
#41416
A
when
B
while
C
then
D
which
After five hours’ drive, they arrived in _______ they thought was the place _______ they’d been dreaming of.
#69245
A
that; which
B
where; that
C
what; that
D
which; where