The little boy ________in the mud all the morning. No wonder he is dirty from head to foot.[ ]

________your generous help, we could not be living a happy life today

There is a new problem involved in the popularity of private cars ____________ road conditions need ____________.

What do you think of the speech given by the CEO from Hongkong?—Excellent, I have never heardone before.

It is said that the Olympic Games ______ inLondon in 2012 will cover more events than any other Olympics did.