Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
They are all at work doing some research ______ alternative sources of energy.
A.for
B.in
C.on
D.with

Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
If you have anything important to do, do it straight away. Don't put it ______.
A.on
B.off
C.over
D.up

Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
The headmistress is very competent. All the teaching staff look ______.
A.up to her
B.her up to
C.at her up
D.for her up

Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
He wouldn't have failed his exam ______ he hadn't been ill.
A.unless
B.if
C.in case
D.although

Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
She lost her balance when she ______ to reach out for the balloon.
A.had tried
B.was trying
C.tried
D.had been trying

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It wouldn’t be a waste of time to look at that house again.
A.Did you find that look at that house again was a waste of time ?
B.It was worth looking at that house again.
C.Would we consider to look at that house again ?
D.You shouldn’t waste your time to look at that house again.

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.
He is very intelligent. He can solve all the problems in no time.
A.An intelligent student is he that he can solve all the problems in no time.
B.He is very intelligent that he can solve all the problems in no time.
C.So intelligent a student is he that he can solve all the problems in no time.
D.So intelligent is he that he can solve all the problems in no time.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
He can shout even louder, but I won’t take any notice.
A.No matter how loud he can shout, I won’t take any notice.
B.He can shout even louder won’t take any of my notice.
C.Whatever ability he shout won’t take notice of me.
D.However loud he can shout, but I won’t take any notice.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Alike other forms of energy, natural gas may be used to heat homes, cook food, and even run automobiles.
A.may be used
B.run
C.to heat
D.Alike

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It is important that you turned off the heater every morning before you leave for class.
A.before
B.turned off
C.It
D.leave for