We are trying to improve education today ______ our children can meet the challenges of tomorrow.
A. so that
B. where
C. only if
D. as to
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Nobody but Thomas and Johnson ______ in the laboratory yesterday.
A. are
B. were
C. was
D. has been
Which one of the following words is the hyponym of the word "furniture"？
A. Wardrobe.
B. Aero plane.
C. Projector.
D. Accessory.
The deepest lake in Canada is
A. Lake Superior.
B. Great Bear Lake.
C. Great Slave Lake.
D. Lake Ontario.
The solider made a hole in the wall, ______ he could see what was going on inside the cabin.
A. on which
B. at which
C. through which
D. in which
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