[求助]几道语法题

The plant connected the Hudson River with Lake Erie by a canal was first proposed in the late eighteenth century.

answer a

The main advertising media include direct mail,radio,television,magazines,and newspaper.

answer D  why not C

While studying the chemistry of human body,Dr.Rosalyn Yalow won a Nobel Prize for the research she conducted on the role of hormones.

answer B

THANK FOR YOU HELP

1.that connected

2.newspapers

3.BODY是可數名詞  所以前面要加冠詞  不然就要改為複數