Choose the best answer to each of the following questions.
The conference had to be cancelled _____a key piece of equipment was out of work.
A.however
B.because of  
C.as the fact 
D.due to the fact that

Choose the best answer to each of the following questions.
______, there is fire.
A.Where smoke is       
B.Where is there smoke
C.Where there is smoke       
D.Where is smoke

Choose the best answer to each of the following questions.
I have not seen him again ____ we graduated from the university.
A.after
B.as
C.when
D.since

Choose the best answer to each of the following questions.
____I come, I will call you so that you can pick me up at the station ____ I arrive at the station.
A.Before / when 
B.After / until   
C.As far as / before  
D.While / till

A.naked
B.hatred
C.decided
D.washed

The word “ streams ” in line 4 is closest in meaning to ______________.
A.small rivers 
B.ponds   
C.lakes
D.big sea

(30)
A.another
B.other
C.others 
D.one other

IV. Choose the underlined part (A, B, C or D) that needs correcting.
If (A) I have free time (B) next Sunday, I would visit (C) my grandmother (D).
A.If
B.free time
C.would visit
D.grandmother

III. Choose the best answer (A, B, C or D) that best completes each sentence.
The cattle drank from a river polluted with toxic chemicals.
A.waste
B.colorless   
C.odorless
D.poisonous

Choose the best answer to each of the following questions.
Tony had little difficulty in passing the examination, _____he has a very good foundation in English.
A.since                       
B.as                            
C.for                           
D.because