______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
推荐题目
An actor can not well play the role without life experience ____ more than a dancer can make a difference without much practice.
#94804
A
any
B
no
C
not
D
much
Only when he returned _________ that the war had ended and the army had come back.
#94572
A
we tell
B
we told
C
did we tell
D
were we told
Mary couldn’t make herself _______ attention to because her classmates made so much noise.
#94709
A
paid
B
to pay
C
pay
D
paying
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