Identify the one underlined word or phrase. A, B, C or D - that must be changed for the sentence to be correct. Visitors were (A) not permitted entering (B) the park after dark because of  (C) the lack (D) of security and lighting.

A. Were

B. Entering

C. Because of

D. lack

Chọn câu sai

A. 16 x 4 ( x   –   y )   –   x   +   y   =   ( 2 x   –   1 ) ( 2 x   +   1 ) ( 4 x 2   +   1 ) ( x   –   y )

B. 16 x 3   –   54 y 3   =   2 ( 2 x   –   3 y ) ( 4 x 2   +   6 x y   +   9 y 2 )

C. 16 x 3   –   54 y 3   =   2 ( 2 x   –   3 y ) ( 2 x   +   3 y ) 2

D. 16 x 4 ( x   –   y )   –   x   +   y   =   ( 4 x 2   –   4 ) ( 4 x 2   +   1 ) ( x   –   y )

Cậu viết câu trả lời luôn hả

Điền tiếp vào chỗ chấm để hoàn thành câu nói sau:      

          Tổng .................................. của số đó chia hết cho 9 thì số đó ..................... cho 9.

x-32:16=48

x-32 =48.16

x-32 =768

x =768+32

x =800

vậy x= 800

Tom: "How did you get there ?" - John: ".................."

A. The train is so crowded

B. I came there by train

C. I came there last night

D. Is it far from there ?

What made you more interested .................... learning English?

A. with

B. to

C. on

D. in

Choose the word that has stress pattern different from that of the other words. Identify your answer by circling the corresponding letter A, B, C or D.

A. anniversary

B. attitude

C. constancy

D. loyalty

Find out the word whose underlined part is pronounced differently from the three others. Identify your answer by circling the corresponding letter A, B, C or D.

A. machine

B. change

C. teacher

D. choose

Lớp 5B có 18  học sinh nam, chiếm 45% . Hỏi lớp 5B có bao nhiêu học sinh nữ?