.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
Don’t touch him, for he is a ______person.
#4800
A
friendly
B
dangerously
C
frankly
D
dangerous
—Sorry, do you mind if I smoke here? —Yes,            
#4877
A
you could
B
go ahead
C
I do
D
my pleasure
He was deep in thought with his eyes_____ on the ceiling.
#4933
A
fixed
B
fixing
C
fix
D
to be fixing
--- It shouldn’t take long to clear up after the party if we all volunteer to help. --- That’s right. _____________.
#4829
A
Many hands make light work
B
Something is better than nothing
C
The more the merrier
D
The sooner begin, the sooner done