1.Great Salt Lake is fed by fresh water streams,___is about

1.Great Salt Lake is fed by fresh water streams,___is about four or five times as salty as the ocean.
A.yet B,wHICH,C,there,D,though
此题选A我选的B,为什么选A呢不是缺主语吗
2._____has won the first prize will be announced at the ceremony.
A,Whom,B,Whoever,C,Whomever,D,Who
答案选C我选的D,如果答案是B我还能理解,可这为什么是C呢
3,His name is familiar_____me but i am not familiar___his character.
这里的答案是with.with.可是familiar不是物作主语时to,人作主语时with吗
4.The hot weather still kept him___the whole night,so he left the door and windows____.
A,wide awake...open
B.Widely awake ...open
C.wide awaken.opening
D.widely awake..opened.
为什么用opened我不太理解,open做形容词不可以吗?