14、The school bus was　　　 by the thick fog.

A、held up　　 B、broken off　　　 C、kept up　　　 D、put off

13、　　 ,Father,it is dangerous to step that way.

A、Look after　　 B、Look around　　 C、Look up　　 D、Look out

12、All I am trying to do is to　　　 why your condition has not improved.

A、look for　　 B、search of　　 C、find out　　　 D、get in

11、After staying in hospital for long,the patient was advised to go to the seaside to　　 his health.

A、take up　　 B、pick up　　　 C、carry up　　 D、make up

10、They really have a great time too,designing everything,drawing the blue prints,　　　 the angles and so on.

A、looking out　　　 B、taking out　　 C、finding out　　　 D、figuring out

9、Please tell me how the accident　　 .I am still in the dark.

A、came by　　　 B、came upon　　　 C、came to　　　 D、came about

8、His idea of having weekly family meals together,which seemed difficult at first,has　　 many good changes in their lives.

A、got through　　 B、resulted from　　　 C、turned into　　 D、brought about

7、I think it important that out country　　 these countries.

A、keep in touch with　　 B、keeps away　　 C、keeps in touch with　　　 D、gets in touch

6、The research findings have been　　　 long enough.

A、held out　　 B、held down　　 C、held back　　 D、held off

5、I often　　　 the dictionary when I meet with new words.

A、refer to　　　 B、look into　　 C、look through　　　 D、consult with