Dr. Ma used to            two or three persons in the hospital.
#49403
A
operate on
B
operating on
C
operate for
D
operating for
推荐题目
 -What did Mr. Green say to his son?      -He told him           .
#48417
A
didn't smoke
B
don't smoke
C
not to smoke
D
not smoke
They plan   during the vacation.
#50114
A
to go hiking
B
to go hike
C
go hiking
D
going hiking
The librarian told the readers _________ loudly in the library.
#50370
A
to talk
B
not to talk
C
talk
D
talking
I made faces _________the baby ________crying.
#49461
A
make; stop
B
to make; stop
C
to make; to stop
D
make; to stop