After you country joins the EU, competition in this field will get even stronger. Unless a miracle ___, his firm must fail.
A.would happen   
B.will happen       
C.happens
D.will have happened

___ I helped him last week, he wouldn’t be in such trouble now.
A.Had
B.Were
C. If       
D.Unless

Now that you’re through with it, you should be more grateful to Ted for all his help. Do you think ___ without it?
A.you would have succeeded
B.would you succeed
C.you might succeed           
D.you would succeed

You are a smoker yourself, Mr Parker. How did you find out someone ___ in your study?
A.had to be smoking       
B.was smoking   
C.has been smoking       
D.had been smoking

___ she to call you immediately, what would you do?
A.Do
B.If
C.Unless
D.Were

I know how much you dislike him, but when you meet him you should behave as if you ___ to your best friend.
A.had been talking       
B.would talk       
C.were talking       
D.talk

“Thanks for your help”. “……. want more information, call again tomorrow”.
A.Were you        
B.Had you to        
C.Might you    
D.Should you

Choose the best answer to complete each of the following sentences.
The professor noticed that the student’s essay _______ a strong resemblance to an article he had seen published in a journal
A.held
B.bore
C.contained
D.carried

Choose the best answer to complete each of the following sentences.
The museum guards were shocked to find that the painting on the wall was a copy and the _______ had been stolen
A.first
B.original
C.genuine
D.blueprint

Mark the letter A, B, C or D to show the underlined part that needs correction.
Bacteria lived in the soil play a vital role in recycling the carbon and nitrogen needed by plants.
A.lived
B.a vital
C.recycling
D.needed