-- They look so tired.--Yeah. They _____________ day and night. So they are all in poor health.
#40605
A
are made work
B
are made to work
C
made to be worked
D
are making to work
推荐题目
While he_____ on the phone, a man walked into his room.
#39822
A
was talking
B
talked
C
is talking
D
talk
---Great changes         in the past ten years in China.---I agree with you.
#39783
A
took place
B
have taken place
C
were taking place
D
had taken place
When I came home, my father _____ an e-mail on the computer. 
#40545
A
writes
B
wrote
C
is writing
D
was writing
His English ________ a lot since he took the course.
#37514
A
improved
B
was improved
C
has improved
D
has been improved