So difficult ____that no one could ___ a good solution to it.
#90783
A
was the problem; come up with
B
the problem was; come up with
C
the problem was; put up with
D
was the problem; put up with
推荐题目
________ for a whole night, we still couldn't agree on when to start and where to go for the holiday.
#88787
A
Discussed
B
Having discussed
C
Discussing
D
Being discussed
Is there enough time ___ now? Yes, take it easy.
#97801
A
leaving
B
being left
C
left
D
having been left
Nowadays teachers feel they can’t help every student ________ suitable reading materials, so they encourage them __________ English on the Internet.
#95533
A
finding; learning
B
to find; learning
C
finding; to learn
D
to find; to learn
_____ to school this morning, I met a friend of mine.
#95824
A
I was walking
B
Walking
C
While I walking
D
Walked
If there is a lot of work ________， I'm happy to just keep on until it is finished.
#89206
A
to do
B
to be doing
C
done
D
doing