The number of the students in our class _____ 54.
A. is
B. are
C. has
D. have
查看答案
—Are these your sheep ?—No. Mine _____ on grass at the foot of the hill.
A. are feeding
B. feed
C. is fed
D. is feeding
—Is there anybody in the classroom ?—No, the teacher, together with the students _____ to the playground.
A. go
B. went
C. has gone
D. have gone
How time flies! Ten years ________ passed
A. have
B. has
C. is
D. are
Many a student ___that mistake before.
A. had made
B. has been made
C. have made
D. has made
微信支付 
支付宝支付