He tried his best to solve the problem, _____ difficult it was.
#63192
A
however
B
no matter
C
whatever
D
although
推荐题目
Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?
#24999
A
off; back
B
up; off
C
out; up
D
back; off
This task is _____ for us. We need ______ people.
#24788
A
much too; another
B
too much; other three
C
much too; more three
D
too much; three more
Though there was a heavy rain and terrible thunderstorm, the children slept _____all night.
#23698
A
quickly
B
quietly
C
deeply
D
soundly
His health is ______improving. I'm sure he will come back to work soon.
#22588
A
gradually
B
frequently
C
fluently
D
finally
I have searched ________ for the book but couldn’t find it.
#23996
A
thoroughly
B
deeply
C
at ease
D
comfortably
