Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The taxi driver ignored the stop sign. Then, he crashed his vehicle.
A.If the taxi driver ignored the stop sign, he crashed his vehicle.
B.Unless the taxi driver paid attention to the stop sign, he would have crashed his vehicle.
C.The taxi driver would not have crashed his vehicle if he had taken notice of the stop sign.
D.The taxi driver didn’t ignore the stop sign, or he would not have crashed his vehicle.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of  the following questions.
The children had such difficult time when they began school in their new neighborhood that their parents decided never to move again.
A.Began     
B.never 
C.such difficult time   
D.to move

Read the pasage carefully then answer the questions below it.
The Battle of Dien Bien Phu ended the Indochina War. Today Dien Bien Phu is a tourist destination. Many visitors are battle veterans or members of their families. As well as visiting the battle site, tourists can enjoy the beautiful scenery of the Muong Thanh Valley, visit the neighboring villages, and share the hospitability of the local people.
Most of the people who live in the area are members of the Thai or H’Mong ethnic minorities. However, they do not depend on tourism alone to live. As Dien Bien Phu is only 30 kilometers from Laos border, it is an important trading center. Food leaves here for Laos and Thailand and goods arrive back to provide for the northern provinces of Vietnam.
What did Dien Bien Phu use to be?
A.It is used to be a battle site
B.It is used to be the neighboring villages
C.It is used to be a war
D.It is used to be  the hospitability of the local people.

According to the writer, people should ______.
A.only use mobile phones in urgent cases
B. keep off mobile phones regularly
C. only use mobile phones in medical emergencies
D.never use mobile phones in all cases

A.assistant
B.conference
C.uniform
D.waterfall

The word “alarmingly” in paragraph 2 is closest in meaning to ______.
A.  A. surprisingly
B.disapprovingly
C.disappointingly
D. worryingly

Jim's ___________ flu again. That's the third time this year.
A.led up to      
B.put up with  
C.come up with 
D.gone down with

A.decorate                      
B.calendar
C.celebrate                 
D.clean

You can not request for an exchange if you don’t bring the _________.
A.insurance    
B.assumption   
C. guarantee      
D. assurance

It's a pity your friend isn't at this party
A.I wish your friend were at the party
B.I wish your friend would be at the party
C.I wish your friend was at the party
D.I wish your friend had been at the party