______is now no doubt ________ global warming is a security threat to us all.
#94613
A
It; that
B
There; that
C
There; whether
D
It; whether
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Both she and her friends liked travelling. She traveled a great deal, ________.
#92020
A
nor did most of her friends
B
did as most of her friends
C
as did most of her friends
D
so do most of her friends
_____ in the regulations that you should not tell other people the password.
#92752
A
What is required
B
What requires
C
It is required
D
It requires