-Cái gì?

-Tại sao?

-Ai?

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.

Mary is talking to a porter in the hotel lobby.

   - Porter: “Shall I help you with your suitcase?” - Mary: “_________”

A. What nonsense!

B. That’s very kind of you.

C. What a pity!

D. I can’t agree more.

Làm tính cộng: 2 x 3 + 3 x 2 + x + 1 x 2 ( x + 3 ) .

A.  1   x + 3  

B.  1 x 2  

C.  1 x 2 x + 3

D. Đáp án khác

Nguyên liệu sản xuất nhôm là quặng:

A. Hematit

B. Manhetit

C. Boxit

D. Pirit