Is oxygen the only gas _______ helps fire burn? 
#95032
A
that
B
/
C
which
D
it
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Good news! The price of all those second-hand goods is ______ before.
#92381
A
30% as lower as
B
30% lower than
C
lower 30% than
D
as 30% low as
Is_____ necessary ____them to stop ________ every two hours?
#93912
A
that; for; resting
B
that; of; to rest
C
it; for; to rest
D
it; of; resting
----Jim has passed the driving test. ---- ________,and _________.
#93282
A
So he has; so have I
B
So did he; so did I
C
So he had; so I did
D
So had he; so I did