At the United Nations Climate Change Conference, the UN Secretary General points out that，________， the climate situation will get worse and worse.
#68035
A
if not dealing with properly
B
unless dealing with properly
C
if properly dealt with
D
unless properly dealt with
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There comes a time in every man's life_____.
#72352
A
that he needs to think
B
when he has to think
C
therefore he has to work hard
D
then he will need it
_________ hard one may work, one cannot master a foreign language in a year or two.
#67604
A
Though
B
As
C
While
D
However
You can find me easily, for there is only one house _______ roof is flat.
#69574
A
whose
B
of which
C
of that
D
that
You're the only person ______I've ever met ______could do it.
#73843
A
who;/
B
/; whom
C
whom;/
D
/; who
--What is that building? --____________ the students have their dance classes.
#68792
A
The building that
B
There are
C
That’s the building which
D
That’s where