This is the most serious and worst situation ___ I have ever experienced as a fan of the NBA.

Today attracts a worldwide readership,_______ shows that more and more people all over the world want to learn about China.

Many new______ willbe opened up in the future for those with a university degree

If we just think about _____，the boat of friendship will be overturned anytime.

Why does the river smell terrible —- Because large quantities of water______．