Don't be joking. It's time to____________ your business.

A can't

B mustn't

C needn't

D shouldn't

A thinking

B think

C to think

D thought

A since

B when

C as

D while

A. idea

B. punishment

C. behavior

D. instruction

A. if the winter is especially warm

B. during all of the year except the winter

C. in the winter as well as in other seasons

D. during the evenings in the winter

A.but

B.what

C.as

D.that

A.essentially

B.especially

C.specially

D.strangely

A. made same words

B. made different kinds of words

C. had a same language

D. used some sounds