Choose the best answer.
Only after they had completed the analysis to that degree ____ how to apply technology to the needs of our enterprise.
A.did they ask to begin     
B.did they begin to ask 
C.they did begin to ask    
D.to ask did they begin

Choose the best answer.
Pour ____ over the chicken.                          
A.a little of the sauce     
B.a few of the sauce
C.many of the sauce 
D.little of the sauces

Choose the best answer.
Paul stopped ____ a test because he was very tired.
A.have                        
B.to have    
C.had                         
D.having

Task 2. Error Identification
Knowledge about farming and tools (A) have made (B) our work (C) easier and (D) more productive.
A.have 
B.our
C.easier 
D.more productive

Task 2. Error Identification
(A) According to the Canadian Pulp and Paper Association, Canada (B) supplies 34% of the (C) world’s wood pulp and 49% of (D) it newsprint paper.
A.According 
B.supplies 
C.world’s 
D.it

Task 2. Error Identification
Some people (A) are concerned that (B) burning garbage may (C) make harm (D) to the environment.
A.are concerned
B.burning 
C.make
D.to

Task 1. Choose the best answer.
Humans suffer a lot of from natural disasters because ____.
A.of the fact that their serious destruction of the environment
B.their serious destruction of the environment
C.of they have seriously destroyed the environment
D.they have seriously destroyed the environment

Task 1. Choose the best answer.
They caught a taxi ____ they could arrive at the conference on time.
A.so that   
B.so as to      
C.in order to      
D.in case that

Choose the best answer.
___ yet?
A.The building has been painted   
B.Was the building been painted
C.Has the building painted     
D.Has the building been painted

Choose the best answer.
Yesterday grandmother asked me ____.
A.if where her glasses were                  
B.where her glasses were
C.if where were her glasses 
D.where were her glasses