, once _______ positive for H7N9 flu virus, willreceive free medical treatment from our government.

ke your house very much— Thank you, but this house is ________

The conflict had developed into a stage______ the two countries were gathering big troops on the border.

I soon found that the work I was doing had already been done by someone else_______, I was wasting my time

In fact, he ___ in bed all themorning without doing anything, but he _____ to me about that.