---Mary was being badly treated when John happened to pass by and helped her out ---I think it was not a pure______but had been well planned.
. I can ______ some noise while I’m studying, but I can’t stand very loud noise.
. John has put on so much weight recently that his mother has to ______ all his trousers to his measure.
. The government has _______ the parents to work with teachers in the education of their children.
. The plan ___ just because people were unwilling to co-operate(合作)。
. My study of biology has ___C___ much of my spare time, but it has given me a great deal of enjoyment.