题目内容

We had to learn chemical（）at school but I can only remember H2O for water.

A. principles
B. prescriptions
C. formula
D. formulae

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The company has（）some major changes in the last five years.

A. stood
B. suffered
C. undergone
D. tolerated

From this amount you need to（）something to cover utility bills.

A. contribute
B. attribute
C. subtract
D. contract

The question of salary increases is high on the（）

A. agenda
B. procedure
C. schedule
D. budget

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A. dominant
B. defensive
C. adventuresome
D. analytical