I asked the man at the booking office ________ I could have two tickets.
A. so
B. as
C. if
D. until
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I don’t know ________ you are right or not.
A. which
B. whether
C. as
D. when
We must find out ________ did all this.
A. which
B. what
C. when
D. who
She asked what good manners ________.
A. is
B. are
C. be
D. were
The teacher told us _________ on.
A. to go
B. go
C. going
D. went