She wants to study English and she’s going to study French ______.[ ]

Suddenly a truck ran fast ______ the house close to the road, and it frightened(吓坏了)the baby sleeping ______ the house.[ ]

The earthquake killed _______ .people .

How often does your sister use the Internet? —About _________.

Why have you decided on the countryside for your holiday?－Because we are there is lots of clear, fresh air there.