單項(xiàng)選擇題He was（）the preparation of an international conference when I arrived in Beijing.

A.engaged to
B.engaged for
C.engaged on
D.engaged in


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1.單項(xiàng)選擇題The population of the earth（）increasing fast. One third of the population here（）workers.

A.is;are
B.is;hasbeen
C.are;is
D.is;was

2.單項(xiàng)選擇題He, as well as I,（）a student.

A.be
B.am
C.are
D.is

3.單項(xiàng)選擇題She comes from（）people's Republic of China.

A.one
B.a
C.–（不填）
D.the

4.單項(xiàng)選擇題Given the high price,（） it's not surprising they didn't buy it.

A.and
B.but
C.–（不填）
D.that

5.單項(xiàng)選擇題History is the story of（）happened to the people before today.

A.whichever
B.whomever
C.whatever
D.wherever