1. Who _____ over there now?[ ] A. singi
题型：选择题
问题：
1. Who _____ over there now? [ ]
A. singing
B. are sing
C. is singing
D. is sing
2.
It’s 8 o’clock. The students _________ an English class. [ ]
A. have
B. having
C. is having
D. are having
3. Listen! The baby _______ in the room. [ ]
A. crying
B. cried
C. is crying
D. cries
4. Look! Lily and Lucy ________ photos.[ ]
A. are take
B. is taking
C. taking
D. are taking
5. What are the boys doing in the river? They ______. [ ]
A. are swiming
B. are swimming
C. swimming
D. are swim
