题目内容

【C3】

A. it
B. they
C. which
D. she

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【C16】

A. happy
B. young
C. busy
D. helpful

【C5】

A. offices
B. machines
C. rooms
D. lessons

A.Labor and education.B.Products and services.C.Transaction and insurance.D.Utilities

A. Labor and education.
B. Products and services.
C. Transaction and insurance.
D. Utilities and repairs.

A.Examinations.B.The loss of a job.C.Death in a family.D.A divorce.

A. Examinations.
B. The loss of a job.
C. Death in a family.
D. A divorce.

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