She will accept the offer if you persuade her.
A.unless 
B.because
C.provided that      
D.otherwise

If he were here, he would accompany you on the piano.
A.Supposing he were here                             
B.Because he were here  
C.He  was here                                               
D.Both A and C

The economic conditions today are .............. they were in the past.
A.much more good                                      
B.much better than
C.much better                                              
D.the best than

”John went to the hospital alone”.

“If ……, I would have gone with him”
A.had he told me
B.he had told me  
C.he has told me  
D.he would tell me

If I had enough money, I……….abroad to improve my English.
A.will go             
B.would go         
C.should go            
D.should have go to

A.............fight for his country.
A.policeman
B.soldier
C.nurse
D.businessman

If I had taken that English course, I ………… much progress.
A.had made     
B.would have made       
C.made
D.would make

If he hadn’t wasted too much time, he …….. in his examination.
A.would fail    
B.wouldn’t fail    
C.wouldn’t have failed
D.won’t fail

Trees won’t grow…….there is enough water.
A. if                  
B.when
C.unless   
D.as

If she ...........abroad, she would have let you know.
A.had gone                                 
B.had she gone abroad
C.Because she had gone abroad                   
D.While she had gone abroad