Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is very difficult to _______ the exact meaning of an idiom in a foreign language.
A.exchange
B.transfer
C.convert
D.convey

It's a pity you didn't go on a trip with us. We all wish................with us.
A.go
B.could go
C.went
D.had gone

Wear a helmet when riding a motorbike. Helmets are used................ our heads.
A.to protect
B.protect
C.protecting
D.protected

Precious metals such as gold, silver.., .................. for making jewelries.
A.used to
B.are used
C.is used
D.used

Miss White is a nurse. She..................working at night.
A.used to
B.uses to
C.is used to
D.has used to

Frenda came to the meeting but Charles didn't. I wish he.................. there.
A.did
B.were
C.had come
D.came

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions from 49 to 50
A.contain
B.achieve
C.improve
D.enter

You can't smoke in here. It's............. the law
A.according
B.again
C.against
D.opposite

Tan doesn't know............... about sports.
A.nothing
B.things
C.anything
D.something

It's pouring with rain again! If only I................. an umbrella.
A.have
B.having
C.had had
D.had