Task 1. Choose the best answer.
I enjoy the course ___ the professor is very good.
A.thanks to       
B.due to      
C.because of       
D.since

It is necessary that he                               of his old parents.
 took care
A.takes care   
B.to take care   
C.take care         
D. took care

It is believed _________causes insomnia.
A.too much caffeine which        
B.that too much caffeine
C.it in too much caffeine 
D.too much caffeine that

______(10)
A.plane
B.airport
C.home
D.company

I regret not going to the airport to say goodbye to her.
A. I wish I have gone to the airport to say goodbye to her.
B. I wish I went to the airport to say goodbye to her.
C.If only I had gone to the airport to say goodbye to her.
D.If only I went to the airport to say goodbye to her.

If you had taken my advice, you _______ in such difficulties now.
A.won’t be 
B.hadn’t been    
C.wouldn’t have been
D.wouldn’t be

The supervisor's job is to ___________ the work of his particular department.
A.overlook
B.overrun
C.oversee 
D.overview

The lawyer told his clients that __________ .
A. the case had a minimum chance to be won by him
B. they had little chance of winning the case
C.the case was of a small chance to win
D.it was nearly impossible to win him the case

Choose the most suitable word or phrase to complete each sentence.
The teacher with ............. we studied last year no longer teaches in our school.
A.who
B.whom
C.whose
D.that

“You're always making terrible mistakes”, said the teacher.
 
A.The teacher realized that his students always made terrible mistakes.
B.The teacher complained about his students making terrible mistakes.
C.The teacher asked his students why they always made terrible mistakes.
D. The teacher made his students not always make terrible mistakes.