Choose A, B, C, or D that best completes the sentence.
____ appeared to be coming from the science lab next door.
A.The unpleasant odor of burning plastic     
B.The odor unpleasant of burning plastic
C.The unpleasant odor of plastic burning             
D.The odor unpleasant of plastic burning

Mark letter A, B, C or D to indicate the correct preposition or adverb particle that completes the sentences.
It was my first flight, so I was very nervous when the plane took _____.
A.back
B.off 
C.after  
D.away

A.slavery
B.charity
C.invention
D.dynamite

(1)...........
A.to
B.by
C.with
D.for

Choose A, B, C, or D that best completes the sentence.
The (A) symptoms of diabetes in the early stages (B) are (C) too slight that people (D) do not notice them.
A.symptoms
B.are
C.too
D.do not

Choose A, B, C, or D that best completes the sentence.
We will give you a bicycle ____ you do well on your exams.
A.only if      
B.until                        
C.because                   
D.though

Choose A, B, C, or D that best completes the sentence.
I am afraid that I ____ remember his name, but Jane ____ know.
A.cannot / may
B.would not / will
C.needn’t / mustn’t  
D.ought not to /would

Choose the best the answer to each of the following questions.
You should behave toward others _______.
A.as you would like to be treated    
B.as would you like to be treated
C.as being treated  
D.as though being treated

Choose the best the answer to each of the following questions.
A guide is a person ______ tourists around a place.
A.shows
B.who shows   
C.whom shows 
D.which is showing

___________(30)
A.events
B.stories        
C. facts
D.materials