The old town has narrow streets and small houses _____are built close to each other.
#68989
A
they
B
where
C
what
D
that
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Great changes have taken place in that factory. It is no longer _________ it was 20 years ago,_____ it was so poorly equipped.
#70299
A
what ,when
B
that ,which
C
what ,which
D
which ,that
Safety in school has been of great concern because of the frequent reports ____ students got injured or killed while in school.
#68557
A
where
B
when
C
which
D
that
．_____ we can pass the coming examination will mainly depend on _____ we learn and _____ learn it.
#70738
A
Whether; what; how
B
That; whether; why
C
If; how; that
D
Why; that; how