The school rules state that no child shall be allowed out of the school during the day, __________ accompanied by an adult.
#32564
A
once
B
when
C
if
D
unless
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—Do you think the weather will be all right in the coming summer vacation?—No, we’re lucky. The newspaper says it’ll be very hot anyway.
#32783
A
if
B
though
C
unless
D
as
______ you are familiar with the author’s ideas, try reading all the sections as quickly as possible.
#32360
A
Now that
B
Ever since
C
In case
D
As long as
It never will rain roses. __________ we want to have more roses. we must plant trees.
#30723
A
When
B
Unless
C
Until
D
While
So quickly are science and technology advancing ________ is a possibility today may be a reality tomorrow.
#30322
A
which
B
what
C
that which
D
that what