.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
The foreign friends you referred to _______ looking forward to _______around our university.
#4518
A
are ; being shown
B
being ;being shown
C
being ; showing
D
are ;be shown
—What does "___________" mean?—That means, the things that people do mean more than what they say.
#4684
A
Easier said than done
B
Actions speak louder than words
C
Honesty is the best policy
D
Constant dropping wears the stone