“He raised the question of ________they should show their passes.
A. what
B. if
C. whether
D. that
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I didn’t know________.
A. how long he would finish it
B. where you had gone
C. where you have been
D. what was the matter with her
There are two oranges here, you may choose________this one________that one.
A. either; or
B. both; and
C. neither; nor
D. not only; but also
He missed the first bus, ________he was late for the meeting.
A. so
B. or
C. for
D. because
He said the earth________round.
A. was
B. are
C. is
D. were
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