28.　　 Is this the reason 　　　　　at the meeting for his carelessness in his work?

A．he explained　　　　　 B．what he explained

C．how he explained 　D．why he explained

27.　　 He ______ some French while he was away on a business trip in Paris．

A．made out　 B．picked up　 C．gave up 　　　　　　　　　　　　　　 D．took in

26.　　 A friend of ____ went to the railway station to see ______．

A．Rebecca; her off　　 B．Rebecca; off her

C．Rebecca’s; her off 　　D．Rebecca’s off her

25.　　 -Did you walk to school this morning?

-No, we went by bus _____．

A． instead of feet　　 B． instead walking　

C．instead of on foot 　D．instead on foot

24.　　 Sally worked late in the evening to finish her report 　　her boss could read it first thing next morning．

A．so that　 B．because　 C．before　 D．or else

23.　　 His mother had thought it would be good for his character to ____ from home and earn some money．

A．run away B．take away C．keep away 　　　　　　　　　　　　　　　 D．get away

22.　　 Rather than ____ on a bus, he always prefers　___　　 a bicycle．

A．ride; ride　　　 　B．riding; ride　 　

C．ride; to ride 　　　　 D．to ride; riding

21.　　 Every possible means ___ to prevent the air pollution, but the sky is still not clear．

A．is used　　　　 　 B．are used　　　 　

C．has been used 　　 D．have been used

20.　　 I’m ___ sorry to say that you made ____ mistakes in your homework.

A．too much; much too　　 B．too much; too much　 C．much too; too much　　 D．much too; much too

19.　　 Friendship helps us understand ____ we are, ____ we need each other and ____ we can do for each other.

A．what, why; how　　 B．who; how; what　

C．who, what; why　　 D．who; why, what