Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Almost half of turtles and tortoises are known to be threatened ____ extinction.
A.with
B.in
C.on
D.at

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The teacher _______ before we arrived.
A.will leave
B.was leaving
C.has left
D.had left

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The longer he waited, _______ impatient he got.
A.better
B.the more
C.the best
D.more

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
By the end of next month, we _______ our English course.
A.will have completed
B.will be completed
C.have completed
D.completed

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I have earned my own living _______ I was seven.
A.since
B.when
C.while
D.as soon as

Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located.
A.are doing
B.about which
C.to attend
D.the choices

Being the only child in the family, Mary always tries to help her mother about household chores.
A.Being
B.always tries
C.help
D.about

When I picked up my book I found that the cover had been torn.
A.Picked up, I saw that the cover of the book was torn.
B.Picking up my book, the cover had been torn.
C.The cover had been torn when my book picked up.
D.On picking up the book, I saw that the cover had been torn.

Adele tries hard but she doesn't make much progress.
A.Adele tries hard so that she can make much progress.
B.Adele tries hard ; she doesn't make much progress, though.
C.However hard does she try, Adele doesn't make much progress.
D.Though Adele tries hard but she doesn't make much progress.

Impressed as we were by the new cinema, we found it rather expensive.
A.We were very impressed by the new cinema, but we found it rather expensive.
B.The new cinema was more expensive than we expected.
C.The new cinema impressed us because it was rather expensive.
D.We were not impressed by the new cinema at all because it looked rather expensive.