We cannot figure out ____quite a number of insects, birds, and animals are dying out.
#74315
A
that
B
as
C
why
D
when
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We will go to the mountains,if it______this Saturday.
#41291
A
doesn’t rain
B
won’t rain
C
isn’t raining
D
didn’t rain
After five years of preparation, Shanghai presented the world____many said was the greatest Special Olympics.
#73975
A
when
B
what
C
where
D
Which
While____the dog,you should take care not to____.Otherwise,it may be dangerous to strangers.
#68287
A
walking; get loose
B
walk; be loose
C
walking for; get it loose
D
training; get it run
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
#74682
A
who
B
which
C
why
D
when