Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
#92341
A
which, considered, being
B
that, considering, been
C
that, to consider, being
D
which, considered, to be
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There’s no doubt _____enough concern must be paid to the problem of the stayathome children.
#92189
A
which
B
whether
C
that
D
what
It won’t be a very long time _________ he is in business for himself.
#92316
A
until
B
when
C
before
D
that
This dictionary, few pages ___are missing, is of great importance.
#93704
A
among which
B
of which
C
in which
D
to which
- My dad bought me a new MP4, but I don’t know __________.- Let’s read the instructions.
#92121
A
What to use
B
how to use it
C
What to use it
D
when to use
It _____ quite a few years _____ the accused was declared innocent and set free.
#94796
A
was; since
B
is; that
C
will be; when
D
was; before