The boys ______ a new lesson when Mary came in.
A. have
B. having
C. were having
D. are having
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We __________ in a factory these days.
A. are worked
B. are working
C. am working
D. working
Listen! The baby _____ in the next room.
A. crying
B. cried
C. is crying
D. cries
It’s eight o’clock. The cadets _____ an English class.
A. have
B. having
C. is having
D. are having
The Smiths _______ shopping with John now.
A. are
B. went
C. is
D. goes