Use your head, ________ you’ll work out the problem.
#32463
A
or
B
and
C
so
D
for
推荐题目
_______ you are familiar with the author’s ideas, try reading all the sections as quickly as possible.
#31363
A
Now that
B
Ever since
C
In case
D
As long as
The meaning of the word "nice' changed a few tines it finally came to include the sense "pleasant."
#30017
A
before
B
after
C
since
D
while
