To use it seems so natural to put up an umbrella to _____ the water when it rains.

A. keep out 　 B. keep back　 C. keep off 　 D. keep away

She was too sad to ______ her tears when she heard the sad news.

A．keep up 　 B．keep out　 　 C．keep back　 　 D．keep away

Do you think the weather will _____?

A．keep back　　　　　　B．keep up

C．keep out　　　　　　 D．keep up with

从所给的四个选项中选择最佳答案

______ your courage and you are sure to pass the exam．　　　

[　　]

A．Keep out　　　B．Keep on　　　C．Keep back　　　D．Keep up

完形填空

Hidden passengers travelling in ships, trains, or even cars can be a terrible trouble——especially when they are insects. As for this, there is a great _____1_____ between human beings and insects. The former _____2_____ every possible effort to avoid being discovered ,while the latter quickly _____3_____ attention to themselves.

　　We can only show mercy to the _____4_____ man who had to stop his car soon after _____5_____ from a country village to drive to London. Hearing a strange noise from the _____6_____ of the car, he naturally got out to _____7_____ the wheels carefully, but he found nothing wrong, so he _____8_____ his way. Again the noise began _____9_____ and became even louder. Quickly _____10_____ his head, the man saw what appeared to be a great _____11_____ loud following the car. When he stopped at a village further on, he was told that a queen bee must be hidden in his car as there were thousands of bees_____12____ .

　　On learning this, the man drove away as quickly as possible. After an hour's _____13_____ driving, he arrived safely in London. Where he parked his car outside a _____14_____ and went in. It was not long _____15_____ a customer who had seen him arrive _____16_____ in to inform him that his car was _____17_____ with bees. The poor driver was _____18_____ that the best way should be to call a _____19_____. In a short time the man arrived. He found the unwelcome passenger hidden near the wheels at the back of the car. Very thankful to the driver for this _____20_____ gift, the bee-keeper took the queen and her thousands of followers home in a large box.