This is the best way I have thought of __________ the problem.
#93344
A
to be solved
B
solving
C
to solve
D
solves
推荐题目
  .He was deep in thought with his eyes______ on the ceiling.
#97371
A
fixed
B
fixing
C
fix
D
to be fixing
It took a long time for the effective use of natural gas ______.
#93382
A
making
B
being made
C
to make
D
to be made
With more and more tourists invading, lots of places of interest require ______.
#93011
A
being repaired
B
repaired
C
to be repairing
D
repairing