Find a mistake in the four underlined parts of the sentence and correct it:
He denied to open the letter and I believed him. 
A. denied
B. to open
C. and
D. believed

Choose one sentence that has the same meaning as the root one:
If it hadn’t been so late, I would have called you.
A. It was not late when I called you.
B. It was late, so I did not call you.
C. It was late, but I called you.
D. It was not late but I did not call you.

Choose one sentence that has the closest meaning to the root one:
Those who are riding a motorbike are not allowed to take off their helmet.
A. Those who are wearing a helmet are not allowed to ride a motorbike.
B. It is the helmet that one needn't wear when he is riding a motorbike
C. You should not wear a helmet when you are riding a motorbike.
D. People must never take their helmet off while they are riding a motorbike.

Choose one sentence that has the same meaning to the root one:
The children couldn’t go swimming because the sea was too rough.
A. The children were not calm enough to swim in the sea.
B. The sea was rough enough for the children to swim in. 
C. The sea was too rough for the children to go swimming.
D. The sea was too rough to the children’s swimming.

Choose one sentence that has the same meaning as the root one:
He had hardly left the office when the phone rang.
A. No sooner had he left the office than the phone rang.
B. No sooner he had left the office than the phone rang.
C. No sooner he had left the office when the phone rang.
D. No sooner he did leave the office than the phone rang.

Choose one sentence that has the same meaning as the root one:
I’m not sure whether Julia will be there or not.
A. Julia don’t have to be there.
B. Julia may not be there.
C. Julia can’t have been there.
D. Julia might not have been there.

Choose one sentence that has the same meaning as the root one:
I’ve arranged to fly to Nha Trang this weekend.
A.  I flew to Nha Trang this weekend.
B. This weekend I’m flying to Nha Trang.
C. This weekend was arrange for fly to Nha Trang.
D. Fly to Nha Trang has arranged this weekend.

Choose one sentence that has the same meaning to the root one:
He offered to help her with the heavy suitcase, which was kind.
A. The suitcase which he offered her which was kind.
B. It was kind of him to offer to help her with the suitcase.
C. He offered to help her but the suitcase was to heavy.
D. It was kind of her to have him help with the suitcase.

Choose one sentence that has the same meaning as the root one:
It is usually forbidden to destroy old buildings related to history.
A. It is usually forbidden to destroy historic buildings.
B. It is usually forbidden to destroy historical buildings.
C. It is usually forbidden to destroy history buildings.
D. It is usually forbidden to destroy historically buildings.

Choose one sentence that has the same meaning as the root one:
In spite of doing well in the contest, Jane didn’t win.
A. Jane did well in the contest, but she didn’t win so.
B. Jane didn’t win because she did well in the contest.
C. Jane did well in the contest. Therefore, she didn’t win.
D. Jane did well in the contest. However, she didn’t win.