Excuse me, is this the right way to the Peking University— Sorry, I am not sure. But it ______ be.

Sally is my best friend, she is always there whenever I’m ___________. —Yeah. A friend in need is a friend indeed.

When I come in, I found a strange girl ______in the corner

Hi,Sam! I come to say goodbye to you. I’m flying to London for a holiday.—___________. Have a nice trip!

The police officers in our citywork hard ______ the rest of us can live a safe life.