Don’t promise anything ________ you are one hundred percent sure.
#37297
A
if
B
after
C
when
D
unless
推荐题目
   do you spend finishing your homework?
#43583
A
How far
B
How long
C
How much
D
How often
------Hi, Jim. You are so early! ------Oh, I _____________  up early. It’s so good.
#41458
A
used to get
B
used to getting
C
am used to get
D
am used to getting
There is _____water in the room.  
#42235
A
much too
B
many
C
too much
D
a few