Not knowing what version of iPad to choose, _____．

A.
some advice was given to Barbara
B.
Barbara had to consult her IT teacher
C.
so Barbara had to consult her IT teacher
D.
Barbara's IT teacher gave her some advice

Books of this kind ______ popular with the pre-school children.

A.
is
B.
are
C.
has
D.
have

Youscold such a pupil who always keeps silent so seriously that You__hurt him.

A.
should; can
B.
may; will
C.
mustn’t ; may
D.
can’t must

The story is the same for many urban white-collar workers in China now: they’re putting in overtime to reduce the risk of being .

A.
laid down
B.
turned off
C.
laid off
D.
turned down

Nancy reminded me of what I should ________ have forgotten

A.
therefore
B.
instead
C.
otherwise
D.
besides

This kind of bird is ___________ , and we should do what we can to it.

A.
dangerous, save
B.
endangering, protect
C.
in dangers, save
D.
in danger, protect

If we________ , we can realize the progress we have made in space research.

A.
turn back
B.
look back
C.
answer back
D.
move back

Only after he graduated _______ how much he loved his alma mater (母校) .

A.
he realized
B.
he had realized
C.
had he realized
D.
did he realize

Train services are usually ________ and run regularly every day.

A.
reliable
B.
reasonable
C.
flexible
D.
comfortable

The teacher _____ that the pupils finish their compositions at once.

A.
described
B.
desired
C.
delighted
D.
determined

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