Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

What chemical is this? It’s______a horrible smell.

A. giving over

B. giving off

C. giving down

D. giving up

Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

“Shall we have a drink when you finish your talk?” “ _________”

A. No, you can’t

B. All right

C. You’re welcome

D. You needn’t do that

. Vì khi vào ban đêm nhiệt độ thấp hơn ban ngày nên hơi nc xung quanh lá câyy gặp lạnh do đó tạo thành những hạt sương đọng trên lá ❤️