A subordinate clause may serve many grammatical categories except（）.

emphasis. Rewrite the following sentences with "so" and the adjective at the beginning of the clause.

A.“when” is often used to talk about an event that takes place at the same time as some longer action or event described in the main clause

B.“As” can also be used when we want to say that when one thing changes, another thing changes at the same time

C.In formal speech and writing, we can often leave out “subject + be” in clauses with “when” and “while” if the main and subordinate clause refer to the same subject

D.“While” is used when you are mentioning a time or event in the past and indicating that a situation has continued from then until now

A.subject

B.submissive

C.subordinate

D.subsidiary

Which one of the following is NOT subordinate and superordinate？

A.vegetable, meat

B.spicy, taste

C.round, shape

D.rainy, weather

What is the role of post offices in "agent banking"？

A．They are subordinate to banks.

B．They are cooperative with banks.

C．They are taking the place of banks.

D．They are being changed into banks.

Their products are frequently overpriced and ________ in quality.

A) influential

B) inferior

C) superior

D) subordinate

They are cooperative with banks. C) They are taking the place of banks. D) They are being changed into banks.