When someone is hungry, he won’t be _______ about what he eats.
As teenagers, it is not until we are able to face difficulties bravely we are mature enough.
a large salary rise already, Sarah is thinking of buying a new apartment.
Printing passengers’ names and ID numbers on tickets will make harder to protect their private information.
The boys were about to go out to play football suddenly it began to rain.
I travelled in Mountain Tai, I was deeply impressed with its beautiful scenery.