A: Must I take a taxi？ B: No, you must not. You can take a bus.（)

The Business Purpose Concept meansI.that the economic purpose of the

transaction must exceed the tax avoidance motive.II.that the taxpayer's dominant motive for an expenditure is to reduce taxation.()

：A.Only statement I is correct

B.Only statement II is correct

C.Both statements are correct

D.Neither statement is correct

A.had better to

B.don't

C.must not

D.don't have to

A.I am afraid I must go. --()

B. Take it easy

C. Go slowly

D. Stay longer

E. See you

A.don't

B.must not

C.don't have to

D.cannot

A.don't have to

B.don't

C.must not

D.had better to

A. had better to

B. don’t

C. must not

D. don’t have to

A.Take it easy.

B.Go slowly.

C.See you.

A.Good-bye

B.Take care

C.Take it easy

D.What can I do for you

A.had better to

B.don't

C.must not

D.don't have to