语法词汇练习 语法大全 语法详解 英语听力 
Dr. Ma used to            two or three persons in the hospital.
#49403
A
operate on
B
operating on
C
operate for
D
operating for
下一题
推荐题目
I have a friend __________ Millie.
#49994
A
call
B
to call
C
called
D
calling
—      enjoy Beijing opera with me?— Good idea.
#49579
A
Why don’t
B
What about
C
Why not you
D
Why not
His mother wants him ________at home all day.Really? That’s terrible.
#49152
A
stays
B
stayed
C
to stay
D
staying
When I got home, I saw my father _________TV.
#48517
A
watched
B
watches
C
watching
D
to watch
He is too tired _______any longer.
#49889
A
not to walk
B
to walk
C
walking
D
not walking