Kate works as()as her sister.
A: more hard
B: hardly
C: harder
D: hard
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The teacher has done all ()he can to help her students.
A: which
B: what
C: -
D: when
He visited us yesterday evening()we were watching TV.
A: and
B: as soon as
C: when
D: while
Would you mind telling me ().
A: where are you from
B: where you were from
C: where you are from
D: you are from where
Are you ()of the mistakes you have made?
A: aware
B: sure
C: clear
D: knowing