–The plane is due to take off at 7:50 from the airport.–________ we fail to arrive there in time.    –Try to take another flight then.
#69435
A
What if
B
As if
C
Even if
D
Only if
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____he wants to say is____ great an effort he has made to help her out.
#69350
A
That; how
B
What; what
C
What; how
D
What; that
_______ is the most useful invention?
#70076
A
Do you think which of these
B
Which of these do you think
C
Which of these you think
D
You think which of these
She will call you if she ____. 
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A
goes to
B
went back
C
is coming back
D
comes back
_____ team wins on Saturday will go through to the national championships.
#68096
A
No matter what
B
No matter which
C
Whatever
D
Whichever