Choose the word whose main stress is placed differently from that of the others
A.potential
B.official
C.cosmonaut
D.ecologist

Choose the word whose main stress is placed differently from that of the others
A.passenger
B.generate
C.excursion
D.gravity

“All right, I’ll clean the floor," said the mother.
A.The mother was reminded to clean the floor.
B.The mother agreed to clean the floor.
C.The mother promised not to clean the floor.
D.The mother refused to clean the floor.

Peter said, “Would you like to go out for dinner with me?”
A.Peter asked me to go out for dinner with him.
B.Peter invited me to go out for dinner with him.
C.Peter reminded me to go out for dinner with him.
D.Peter advised me to go out for dinner with him.

“Why don’t we go out for a walk?” said the boy.
A.The boy suggested to go out for a walk.
B.The boy suggested going out for a walk.
C.The boy said to go out for a walk.
D.The boy said why don’t they go out for a walk.

“I’m happy to know that you have been promoted. Congratulations!” Jim said to Mary.
A.Jim congratulated Mary to have been promoted.
B.Jim congratulated Mary on having been promoted.
C.Jim told Mary he is happy to know that Mary has been promoted.
D.Jim told Mary I’m happy to know that you have been promoted.

I said to the boy, “Stay away from my daughter.”
A.I warned the boy to stay away from my daughter.
B.I warned the boy not to stay away from my daughter.
C.I advised the boy not to stay away from my daughter.
D.I said the boy to stay away from my daughter.

She said to me, “I wrote to him yesterday.”
A.She told me she wrote to him yesterday.
B.She told me she had written to him yesterday.
C.She said to me I wrote to him the day before.
D.She told me she had written to him the day before.

“He is talking to your sister,” she said to me.
A.She told me he was talking to her sister.
B.She told me she was talking to my sister.
C.She told me he was talking to your sister.
D.She told me he was talking to my sister.

He said, "If I had enough money, I could buy that dictionary."
A.He said if he had had enough money, he could have bought that dictionary.
B.He said if he had had enough money, he could buy that dictionary.
C.He said if he had enough money, he could buy that dictionary.
D.He said if he had enough money, he could have bought that dictionary.