How to control housing price is said to a great challenge facing the government over the past few years.
It is _______ he often fails in exams ______ makes his parents worried about him.
—Who are making so much noise in the garden? —_______ the children.
It was lack of money, not of effort, _____ defeated their plan.
It’s more than half a century _____ my grandfather joined the Party and became a servant to the people.
“Was it under the tree _____ you were away talking to a friend?” “Sure. But when I got back there, the bike was gone.