It was only when he left home that he realized how much his father meant to him.
A.Not only did he leave home that he realized how much his father meant to him.
B.Not until he left home did he realize how much his father meant to him.
C.Not until did he leave home had he realized how much his father meant to him.
D.Not until he had left home that he realized how much his father meant to him.

Even a few trees can make it too dark for drivers to see clearly.
A.Even a few tree can make it so dark that drivers can't see the road clearly.
B. Even a few trees can make it so dark for drivers can't see the road clearly.
C.Even a few trees can make it too dark that drivers can't see the road clearly.
D.Even a few trees can make it so dark that drivers can't see the road clearly.

Part 3: 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.
Mrs. Stevens, along with her cousins from New Mexico, are planning to attend the festival.
A.with                        
B.from                        
C.are                          
D.attend

__________(47)
A.undergo
B.underestimate
C.underway
D.undergone

How many African elephants are there today?
A.19,000.
B.30,400.         
C.55,000.  
D.550,000.

Choose the best answer to each of the following questions.
He is very …………………….in my story.
A.interestingly                      
B.interest                    
C.interesting                           
D.interested

Choose the best answer to each of the following questions.
The whole country was very upset____ the president was assassinated.
A.before
B.until
C.when
D.as long as

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closet in meaning to each of the following questions.
The Smiths sent their first child to a boarding school, which was not a good idea.
A.The Smiths shouldn’t have sent their first child to a boarding school.
B.The Smiths could have well sent their first child to a boarding school.
C.The Smiths didn’t need to have sent their first child to a boarding school.
D.The Smiths can’t have sent their first child to a boarding school.

A.steady
B.square
C.regular
D.normal

As I won’t be able to attend the meeting. l‘d like you to sign ______
A.on my account
B.on my name
C.on my place
D.on my behalf