问题
At times, parents find it difficult __________ with their teenage children.
A:talk
B:talked
C:talking
D:to talk
B:talked
C:talking
D:to talk
正确答案是：
同类题型
_______have you been learning to swim?—Half a year. [ ]
Miss Liu wants to lose weight.She just has _______ cup of milk for ________ breakfast every day.
Huangyan Island belongs to China.—Surely it does! We Chinese will never__________it up.
“Underground” is the only word in the English language _____ begins and ends with the letters “und”.