It was not until this year _____ scientists managed to make a cat and a goldfish disappear from sight using an invisibility cloak(斗篷)
#84835
A
that
B
when
C
while
D
As
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—Do you know   they got to know each other? —It was last year   they both taught Chinese in Scotland. 
#84734
A
when was it that; when
B
when it was that; that
C
when it was that; when
D
when was it that; that
—      the accident happened? — It’s said to happen on his way to work
#85436
A
Do you know it is where that
B
where is it that do you know
C
Do you know where it is that
D
where do you know it is that
Wow, you are in high spirits. _________ makes you so happy?
#84801
A
What it is that
B
What is it that
C
What is that
D
What it that