.We will learn how to operate the machine _______.
#4731
A
at a time
B
at one time
C
at the time
D
in time
推荐题目
There were signs here and there, _____ visitors to look out for ______ rocks.
#5018
A
warning; fallen
B
warned; falling
C
to warn; fallen
D
warning; falling
Your door needs ___________ . Would you like me to do it for you?
#4664
A
to paint
B
painting
C
paint
D
painted
--- The patient looks much better. is it that has made him he is today?--- Perhaps the special medicine and his family’s patient care.
#4981
A
What; that
B
That; that
C
What; what
D
What; which
I used to quarrel a lot with my parents, but now we _______ fine.
#4653
A
look out
B
stay up
C
carry on
D
get along
