The machine is so old ___ it can’t be used any more ___ some of its parts are changed.
#71741
A
as, unless
B
that, unless
C
that ,if
D
whether, or
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The humans are destroying nature day by day, ________ of course, will cause severe punishment from it sooner or later.
#73318
A
who
B
when
C
on which
D
which
The Mekong River Commission has found no evidence the dams on the upper reaches have an influence on the water flow downstream.
#68029
A
that
B
which
C
where
D
what
There aren’t many seats left for the concert; you had better make sure ____ two today.
#72141
A
getting
B
to have got
C
that you get
D
that you will get
The fact has worried people _______ the number of the deaths is still increasing.
#67573
A
what
B
which
C
that
D
when
We’ll go shopping if it ________ rain tomorrow.
#41062
A
don’t rain
B
won’t rain
C
isn’t raining
D
doesn’t rain