Last night Dad and Mum didn’t come back home ________ I finished my homework.
#41316
A
while
B
if
C
until
D
and
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. We’d like to do _______ we can _________ the poor.
#70731
A
how; help
B
whatever; to help
C
whatever; help
D
however; to help
Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
#74515
A
who
B
which
C
when
D
that
He makes about $1000 every week，much ______ is spent on books.
#72239
A
of which
B
in that
C
among which
D
of it