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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My mother was looking while I the radio.
#41312
A
listened to
B
have listened
C
was listening to
D
is listening to
—I wonder how much you charge for your services.—The first two are free the third costs $30.
#66661
A
while
B
until
C
when
D
before
_____ different life today is from _______ it was thirty years ago.
#72386
A
What; what
B
What a ; what
C
What a; how
D
How; what
After visiting China, most of the foreign friends said they would never forget the time _________they had spent in China.
#69764
A
what
B
that
C
when
D
at which
--- Where did you get to know her ?--- It was on the farm _________ we worked.
#69611
A
that
B
there
C
which
D
where