Prices began to climb noticeably last year , _____a historical high in November.[ ]

This computer is of good quality. If it ___________ break down within the first year, we would repair it at our expense.

We will have a 7-day holiday from Oct.1 to Oct.7 for our Chinese National Day— Wow, exciting news it is!.

When the students arrived there out of breath, the train for about five minutes.

The Yellow River is __________ river in China.