Choose the best answer.My friend says: "You ____ drink champagne. You can have a coke or fruit juice instead.

A. mustn't

B. ought to

C. must

D. don't have to

Choose the best answer.I ______ stay overnight at my friend’s house. My parents are very strict about this.

A. shouldn’t

B. don’t have to

C. mustn’t

D. oughtn’t to

Tìm số hạng đứng giữa trong khai triển  x 3 + x y 21 .

A.  C 21 10 x 40 y 10 .

B.  C 21 10 x 43 y 10 .

C.  C 21 11 x 41 y 11 .

D.  C 21 10 x 43 y 10 ;   C 21 11 x 41 y 11 .

Find out the synonym of the underlined word from the options below:

The proposal will go ahead despite strong objections from the public

A. agreement

B. manner

C. generation

D. disapproval