If the drought in Southwest China, the crops will be ruined. Worse still, both people and animals will be threatened with a lack of drinking water.
The prices of houses ______ because the demand of them become more and more great.
Compared with the nervousness of driving in the rain or snow, it is ______ to sit in a train without any worry of bad weather.
It is dangerous to play with the knife. You ______ hurt yourself.
I bought three DVD copies of the film Avatar and now _ is left. Somebody just borrows something and never returns.
This new computer is obviously superior ______ the old one because it has many new functions.