1·The development of industry has been a gradual process through out human existence ,from stone tools ti modern technol

1·The development of industry has been a gradual process through out human existence ,from stone tools ti modern technology.(求翻译)
2·today is May Day ,There are _____students dancing and singing in the park.
A a good many B a good many of C the large number of D a great deal of
(答案是什么 还有 这4个选项有什么区别?)
3·Many people agree that ______ knowleage of English is a must in _______international trade today.
A a;/ B the ;an C the;the D /;the
4`------Isn't it getting dark early tonight?
-------I think so ;I see ___is on already.
A the street`s light B the street light Cthe light of the street D the light of streets
5.The mother helped the child ____.
Abuild sand castles B build castlesin sands C build castles with sands D build castles by sands
6`Jenny asked me to get her _____,for the old one broke a few days age.
A a pot tea B a pot for tea C a tea pot D a tea`s` pot
7` make sense 的用法?