fter the mud-rock flow hit Zhouqu, GansuProvince, many soldiers came to the ______ as many people were trappedunderground.

No one can answer the question _______ we can complete the task in time, do you know? — Yes, and this is because we don’t know the way _______ the scientist used last time．

Starting your own business could be a way to achieving financial independence.___; it could just put you in debt.

When asked _________ they needed most, the kids said they wanted to feel important and loved.

Are you free after school?—worry, I’ve planned to treat a friend of mine to dinner ____ for help[ ]