错了3道语法,谢谢指点

sabrina_y

1.Until the eighteenth century,charoal was_____used in blast furnaces,as well as

in glassmaking,blacksmithing,and metal working.

A.what the chief fuel

B.the chief fuel that

C.the chief fuel was

D.the chief fuel

the correct answer is D,how about B?

2.Essential a nineteenth_century  instrument,the calliope was usually played outdoors and was a part of fairs,holiday gatherings,and other such activities.

the correct answer is A.how to correct it?

3 Greenpeace,an international organization of enviromental activities founded by Canadians,use nonviolent means to protest and block activities it considers environmentally harm.

the correct answer is D,how to correct it?

翔儿

1.B--->that be used

2.cancel A

3.harm-->damage

i guess

爱无伤

1.同意

2.Essentially

3.harmful

望指正。

n9ga1

3.harmful