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
B:are swiming
C:are swimming
D:is swimming
正确答案是：
同类题型
What should we do now,Mr Clark?-Please turn to Page____and look at the____picture.
_______ a cold morning, he went to France. [ ]
I thinknecessary to do some running in the morning.
Do you ____ a ping-pong ball? —Yes, I do. And my brother _____ a soccer ball.
My mother is Alice Johnson. ________ telephone number is 2546809.