I'll have to turn off the computer before my father ______ home.
A.comesB.comeC.cameD.will come
She sat in the wall corner _____（say） nothing.
用所给的词填空
whose who what
1.He did't know _____ he should do with the goods.
2.I wonder ______they are going to plant trees with.
3.I wonder ______car this is.
