Have you got any trouble ____this ___ pr
题型:选择题
问题:
Have you got any trouble ____this ___ practice?[ ]
A. to do, listening
B. doing, listening
C. doing, listen
D. do, listen
Have you got any trouble ____this ___ practice?[ ]
A. to do, listening
B. doing, listening
C. doing, listen
D. do, listen