Stand over there, ___ you’ll be able to see the oil painting better.
#32639
A
and
B
till
C
but
D
or
推荐题目
I'll be out for some time. ______ anything important happens, call me up immediately.
#30003
A
In case
B
As if
C
Even though
D
Now that
___ you know the rules of swimming, you will be able to swim well.
#80368
A
Before
B
While
C
Though
D
Once
Usually pilots need about a decade of experience _______ they can be promoted to captain.
#31003
A
after
B
before
C
then
D
when
．______ the satellite launch drawing near, the research workers put their hearts to the test and always stayed up late.
#33637
A
As
B
Because
C
With
D
While