问题
选择题
_____ the boys often _____ in the swimming pool? [ ]
A. Do, swims
B. Does, swims
C. Do, swim
D. Are, swimming
答案
答案:C
_____ the boys often _____ in the swimming pool? [ ]
A. Do, swims
B. Does, swims
C. Do, swim
D. Are, swimming
答案:C