CHO E=\(\left(\frac{x^3}{x^3-4x}+\frac{6}{6-3x}+\frac{1}{2+x}\right):\left(x+2+\frac{10-x^2}{x-2}\right)\)

a) Rut gon E

b) Tim x thuoc Z sao cho E thuoc Z

Tom is having someone _______ the newspaper to her.

A. bring

B. to bring

C. bringing

D. who brings

Chu vi của hình chữ nhật khi biết chiều rộng là 18 cm và chiều dài bằng 2 dm là:

A. 40 cm

B. 40 dm

C. 76 cm

D. 76 dm

Đặt tính rồi tính.

a) 356,37 + 542,81

b) 416,3 – 252,17

c) 25,14 x 3,6

d) 78,24 : 1,2

Choose the one option - A, B, C or D - that best fits each of the num¬bered blank.

If you are invited to someone's house for dinner in the United States, you should (26)_______ a gift, such as a bunch of flowers or a box of chocolates. If you give your host a wrapped gift, he/ she may open it in front of you. Opening a present in front of the gift-giver is considered polite. It shows that the host is excited (27)_______ receiving the gift and wants to show his/her appreciation to you immediately. Even if the host doesn't like it, he/ she will tell a "(28)_______ lie" and say how much they like the gift to prevent the guest from feeling bad. If your host asks you to arrive at a particular time, you should not arrive (29)_______ on time or earlier than the expected time, because this is considered to be potentially inconvenient and therefore rude, as the host may not (30)_______ ready.

Question 27:

A. about

B. for

C. with

D. of