Keys _______ opening the lock in the door.

A. used for???????? B. are used?????? ????????????? C. are used to???? ????????????? D. are used for

Keys _______ opening the lock in the door.

A. used for????????? ????????????? B. are used??????? ????????????? C. are used to?????? ????????????? D. are used for

It was very late at night. An old man came to a small town. He found an inn (小旅馆) and Wanted to slay there for the night. After he went to his room, the owner said to his 41   ."Look at his bag. There must be much money in it. Let's take it away when he's 42 , shall we? '

"Oh, no," said the woman. "He must 43 his bag when he wakes up tomorrow morning. If he can't find it, he'll telephone the police."

They thought for a few minutes. Then the woman had an 44 . "We have forgetful grass. Why not put some forgetful grass into his food? If he 45 the food, he will forget lo take his bag away."

The old man ate the food 46 the forgetful grass and went to bed. The next morning when the owner got up, he found the door 47 and the old man had gone away with his bag. He woke his wife up and said to her angrily, "How foolish you are! Your forgetful grass isn't 48 at all."

"No, I don't think so. He must forget_49__," his wife said.

"Oh! I remember now! He forgot to 50 for the night," cried out the man suddenly. Then they looked at each other without saying a word.

1.A. sister B. friend C. aunt D. wife

2. A. asleep B. awake C. alive D. alone

3.A. set off B. give up C. look for D. take off

4.A. idea B. advice C. instruction D. excuse

5. A. eats B. receives C. likes D. refuses

6.A. onto B. for C. with D. into

7. A. open B. opens C. opening D. lo open

8.A. interesting B. important C. delicious D. useful

9.A. anything B. nothing C. something D. everything

10.A. spend B. cost C. take D. pay