Find a mistake in the four underlined parts of the sentence and correct it:
Articles which have been bought during the sale cannot exchange.
A. which
B. bought
C. the sale
D. exchange

Find a mistake in the four underlined parts of the sentence and correct it:
The play became boring and more boring, so we left the theatre before it ended.
A. boring and
B. so
C. left
D. it ended

Find a mistake in the four underlined parts of the sentence and correct it:
The wine should have been opened about three hours before it is used.
A. The
B. have been
C. about
D. is used

Find a mistake in the four underlined parts of the sentence and correct it:
There’s a lift in the building, so we mustn’t climb the stairs.
A. There’s
B. so
C. mustn't
D. stairs

Find a mistake in the four underlined parts of the sentence and correct it:
He’s very busy at the moment, but he would come to the party.
A. at the
B. but
C. would
D. the party

Find a mistake in the four underlined parts of the sentence and correct it:
Air tickets which have been bought by customers during the sale cannot exchange.
A. which
B. been bought
C. during
D. cannot exchange

Find a mistake in the four underlined parts of the sentence and correct it:
Far more money is being spent on food than spent ten years ago.
A. Far more
B. is being
C. on food
D. spent

Find a mistake in the four underlined parts of the sentence and correct it:
After Newton has observed an apple fall to the ground, he formulated the law of gravity.
A. has observed
B. fall
C. the ground
D. formulated

Find a mistake in the four underlined parts of the sentence and correct it:
If your soccer team will win the championship tomorrow, we will have a big celebration for
you.
A. soccer
B. will win
C. championship
D. will have

Find a mistake in the four underlined parts of the sentence and correct it:
John was arrested for speeding, it unfortunately was reported in the local newspaper.
A. was
B. for
C. it
D. was reported