The number 6,743,234,123 is read ___ _ .

A. Six billion, seven hundred and forty-three million, two hundred and thirty- four thousand, one hundred and twenty-three

B. Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and one hundred twenty-three

C. Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and a hundred and twenty-three

D. Six billions, seven hundreds and forty-three millions , two hundreds and thirty -four thousands a hundred and twenty-three

— ___ _ you reading at this time yesterday? — No, I was ___ _ .

A. Were; singing B. Are; watching TV

C. Were; put off D. Are; having a rest

Look! The boy is sitting ___ _ a tree.

A. on B. in C. of D. above

I was watching TV ___ _ the thief came into the house.

A. when B. while

C. for D. because

— What will the weather be like tomorrow? — It might be ___ _ .

A. rain B. sun C. sunny D. wind

Don’t swim here, or you may be ___ _ .

A. in danger B. danger

C. safe D. well

Mr. Li is one of ___ _ in our school.

A. the popular teacher

B. popular teachers

C. the most popular teachers

D. most popular teachers

My sister showed ___ _ last night.

A. a book me B. me a book

C. a book for me D. me to a book

— Kate, do you know ___ _ it is from here to the post office?

— About twenty minutes’ walk.

A. how long B. how far

C. how soon D. how often

I’m a little ___ _ than you, but I’m as ___ _ as you.

A. thinner, stronger B. thin, stronger

C. thinner, strong D. thin, strong