— I left my keys in the room yesterday. I had to get in ________ the window. — It’s dangerous to do that.
Excuse me, may I ask you some questions, Jane? OK, _______.
To fight SARS, we should ______ animals.
Did you give up ?Yes. I know smoking may cancer.
too many candies is bad your teeth.
How is your leg, Mike? Oh, don’t worry! The X-ray shows it is _______.