6.So another astonished fact came to light.

5.Back at the hive they watched the wagging dance close.

4.He marked all the bees that came to the nearby feeding bluely.

3.One was close for the hive,the other was much farther away,beyond some trees.

2.To find,Von Frisch built special hives,each with only one honeycomb.

下面每句中有一处错误，请改正。

1.As soon as one bee discovered the honey,many more came to it one by another in a short time.

20.He paid the boy $10 for washing ten windows,most of　　 hadn’t been cleaned for at least a year.

A.these　　　B.those　　C.that　　D.which

19.There is nothing interesting　　 at present.

A.go on　　　　　　　B.going on

C.to go to　　　　　　D.goes on

18.The broader the boat is,　 it is in bad weather.

A.the safer　　　　　　　B.the better

C.the more comfortable　　　　D.the dangerous

17.Light blue isthe best colour　 　me.

A.that fits　　B.that suits　　C.which fits　　D.which suits