Choose the correct sentence which is built from the words and phrases given:
Ho Chi Minh / also / establish / the communist-governed Democratic Republic / Vietnam/ 1945 / and / lead / the North Vietnamese / defeat / the French Union / 1954 / DienBien Phu //.
A. Ho Chi Minh also established the communist-governed Democratic Republic of Vietnam in 1945 and led the North Vietnamese to defeat the French Union in 1954 at Dien Bien Phu.
B. Ho Chi Minh also established the communist-governed Democratic Republic in Vietnam in 1945 and led the North Vietnamese to defeating the French Union in 1954 at Dien Bien Phu.
C. Ho Chi Minh also established the communist-governed Democratic Republic of Vietnam in 1945 and lead the North Vietnamese to defeat the French Union in 1954 at Dien Bien Phu.
D. Ho Chi Minh also established the communist-governed Democratic Republic of Vietnam in 1945 and led the North Vietnamese and defeat the French Union in 1954 at Dien Bien Phu.

Choose the best answer for the following sentence:
Speaking test can be called as __________ test. 
A. orally               
B. oral                
C.  aurally                 
D. aural

Hai hệ phương trình $\displaystyle \left\{ \begin{array}{l}kx+3y=3\\-x+y=1\end{array} \right.$và$\displaystyle \left\{ \begin{array}{l}3x+3y=3\\x-y=-1\end{array} \right.$ là tương đương khi k bằng:
A. 3
B. -3
C. 1
D. -1

Choose the best answer for the following sentence:
Hoai: ''How rich is your uncle?'' / Thu: ''He possesses all __________ you have seen''
A. Which 
B. that   
C. what  
D. where

Hệ phương trình tương đương với hệ phương trình $\displaystyle \left\{ \begin{array}{l}2x-5y=5\\2x+3y=5\end{array} \right.$ là
A. $\displaystyle \left\{ \begin{array}{l}2x-5y=5\\4x+8y=10\end{array} \right.$
B. $\displaystyle \left\{ \begin{array}{l}2x-5y=5\\0x-2y=0\end{array} \right.$
C. $\displaystyle \left\{ \begin{array}{l}2x-5y=5\\4x-8y=10\end{array} \right.$
D.  $\displaystyle \left\{ \begin{array}{l}\frac{2}{5}x-y=1\\\frac{2}{3}x+y=\frac{5}{3}\end{array} \right.$

Choose the best answer for the following sentence:
Mr. Lam goes to work on foot once a week. It means he _____________ walks to work.
A. never
B. sometimes
C. often
D. usually

Choose the word that has the underlined part pronounced differently from the rest:
constantly                 apply                   lovely                    specially
A. constantly                 
B. apply                   
C. lovely                    
D. specially

Choose the best answer for the following sentence:
I ____________ a bath every morning. It is my habit.
A. am having 
B. have
C. had 
D. will have

Tích phân $I=\int\limits_{0}^{{\frac{\pi }{2}}}{{\left( {{{{\sin }}^{4}}x+{{{\cos }}^{4}}x} \right)\left( {{{{\sin }}^{6}}x+{{{\cos }}^{6}}x} \right)}}dx$ bằng?
A. $\frac{{11}}{{128}}\pi .$
B. $\frac{{11}}{{64}}\pi .$
C. $\frac{{33}}{{128}}\pi .$
D. $\frac{{33}}{{64}}\pi .$

 có giá trị là:
A.
B. 5e4
C. 5e4 - 1
D.