Choose the best answer A, B, C or D to complete the following sentences.
We'll need more staff _______ we start the new project.
A.unless
B.whether
C.in case
D.or

Choose the best answer A, B, C or D to complete the following sentences.
Mary: “Thank you for your help.”
      John:________________________
A.You’re welcome
B.Don’t mention it
C.I’m pleased to hear that
D.Ok

Choose the best answer A, B, C or D to complete the following sentences.
I have never seen such a beautiful dress _______ you before.
A.of
B.on
C.for
D.in

Choose the best answer A, B, C or D to complete the following sentences.
You can choose four subjects either in Arts _______ in Sciences.
A.nor
B.or
C.and
D.as

Choose the best answer A, B, C or D to complete the following sentences.
She reads newspapers every day to_______ the vacant positions  for which she can apply.
A.look after
B.look at
C.look for
D.look through

Choose the best answer A, B, C or D to complete the following sentences.
You can meet Mr. Pike, who is __ behalf __ the university to solve the problems of foreign students.
A.on / of
B.in / for
C.with / at
D.for / at

Choose the best answer A, B, C or D to complete the following sentences.
The children were quite attracted by the tamer and his animals _______ were performing on the stage.
A.that
B.which
C.whom
D.who

Choose the best answer A, B, C or D to complete the following sentences.
More than ten victims _______ missing in the storm last week.
A.are reported to be
B.are reported to have been
C.are reporting to have been
D.are reporting to be

Choose the answer among A,B,C,D whose stress position is  different from the others’:

A.reformulate
B.scientific      
C.considerable   
D.exclude

Choose the answer among A,B,C,D whose stress position is  different from the others’:

A.eradication  
B.resolution  
C.contradiction  
D. similarity