Most of _____ fly to the south when wint
题型:选择题
问题:
Most of _____ fly to the south when winter _______ .
A. they , comes
B.them , come
C. them , comes
D.them , came
Most of _____ fly to the south when winter _______ .
A. they , comes
B.them , come
C. them , comes
D.them , came