问几道英语选择题、求解释

问几道英语选择题、求解释
When the sun _______in the east every day,they get together and_____the flag on the playground
A.rise,rise B.rises,raisesC.raises riseD.rises,raise

Do you know___that bridge is and______it has been on the river?
A.how long,how farB.how far,how oftenC.how soon,how old D.how long,how long

The________an old vase last year.
A.collect collect
B.collector collection
C.collector collected
D.collection collected

Please _____your hand if you want to answer the teacher's question
A.rise B.raise C.rises D.raises

How much ___the pair of shoes?
Twenty dollars_____enough.
A.is,is
B,is,are
C.are,is
D.are,are


我辛辛苦苦一个字一个字打出来的!求解啊