The nurse spent the whole morning ______with the patient.
A. talk
B. talks
C. talked
D. talking
查看答案
The boys ______ a new lesson when Mary came in.
A. have
B. having
C. were having
D. are having
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
微信支付 
支付宝支付