---I don’t know where to find something about the rainforest.---Why ______on the Internet? There is a lot of information about it.
#55228
A
don’t go
B
not to go
C
not going
D
not go
推荐题目
David didn’t give up ______ he had failed in the experiment four times．
#57729
A
if
B
while
C
though
D
since
______hours do you exercise every week ? Nine hours.
#56316
A
How many
B
How often
C
How much
D
How long
—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed________12 o’clock last night.
#57218
A
until
B
when
C
though
D
unless