Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If you do not learn seriously, ________ to understand the subject well.
A.you will never be able
B.will you never be able
C.never you will be able
D.will never you be able

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Christopher Columbus America more than 500 years ago.
A.discovered
B.has discovered
C.had discovered
D.discovers

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The man ______ is very friendly.
A.that lives next door
B.who live next door
C.which lives next door
D.who lives the next door

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 high time we ___ __ something to protect our environment .
A.do
B.to do
C.did
D.have done

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It was an interesting speech that everyone stayed till the end.
A.too
B.very
C.such
D.so

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I gave him my e-mail address he could keep in touch with me.
A.in order
B.so as
C.that
D.so that

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Do you know the beautiful girl is sitting in the car?
A.who
B.whom
C.which
D.whose

___________ of the financial crisis, all they could do was hold on and hope that things would improve.
A.At the height
B.At the bottom
C.On the top
D.In the end

Not until late 1960s ____________on the moon.
A.when Americans walked
B.when did Americans walked
C.Americans walked
D.did Americans walk

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
You have just passed your final examination. This makes your parents happy
A.Having just passed your final examination making your parents happy.
B.You have just passed your final examination makes your parents happy.
C.That you have just passed your final examination makes your parents happy.
D.You have just passed your final examination which it makes your parents happy.