It’s four o’clock in the afternoon. The
题型:选择题
问题:
It’s four o’clock in the afternoon. The boys __ in the pool.
A.is swiming
B.are swiming
C.are swimming
D.is swimming
It’s four o’clock in the afternoon. The boys __ in the pool.
A.is swiming
B.are swiming
C.are swimming
D.is swimming