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
____ almost the whole time of mine, the work made me extremely tired.
#95191
A
Occupying
B
Occupied
C
Being occupied
D
To occupy
With a lot of difficulties ___, they went to the seashore and had a good rest.
#94160
A
settled
B
settling
C
to settle
D
being settled
_______ basic first-aid techniques will help you respond quickly to emergencies.
#90591
A
Known
B
Having known
C
Knowing
D
Being known
________in the computer games，the boy no longer put his heart into study.
#94273
A
Absorbing
B
Losing
C
Absorbed
D
Devoted