.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
If you don’t resist smoking heavily like that , you will have to suffer the _______sooner or later .
#4702
A
achievements
B
exchanges
C
causes
D
consequences
Luckily, Smith brought a map, __________ we would have got lost.
#4527
A
that
B
of which
C
without which
D
which
6．Do come here tomorrow ______we, as planned, will enjoy the torch relay of the 2008 Olympics.
#5041
A
otherwise
B
then
C
and
D
therefore
Mr. Bush is on time for everything. How _____ it be that he was late for the opening ceremony?
#4839
A
can
B
should
C
may
D
must