1.My camera ___________ .I have looked for it everywhere but

1.My camera ___________ .I have looked for it everywhere but still _______it.
A.has lost ,don't find B.is missing ,don't find
C.has lost ,haven't found D.is missing ,haven't found
2.I made ________ a condition that everybody must be there on time.
A.that B.this C.it D./
此题为什么选C,不能把它看做一个从句而选A吗?
3.I often hear her _________ after class.
A.to sing B.sang C.sings D.sing
4.The house was built ________ bricks .It is still strong now.
A.out B.out of C.in D.at
5.My friend wanted to know _________ with his new car .
A.what wrong is B.what is wrong
C.what wrong was D.what was wrong
宾语从句不是用陈述句语序吗?怎么不是选C而是选D呢?
6.When people want to relax themselves ,they prefer ___________ watch TV or listen to music rather than ________ newspaper.
A.watching ,read B.watching ,to read
C.to watch ,read D.to watch ,reading
第四题的答案是 B out of 为什么呢？