If you have some ____ in working out the
题型:选择题
问题:
If you have some ____ in working out the problem, turn ____ your friends for help. [ ]
A. difficulties; for
B. difficulty; to
C. troubles; to
D. trouble; round
If you have some ____ in working out the problem, turn ____ your friends for help. [ ]
A. difficulties; for
B. difficulty; to
C. troubles; to
D. trouble; round