Doctor Wang      at seven o’clock for the conference, but she didn’t turn up. 

Being examined twice a year, whether it is a car or a bus or a truck, it is the rule that every driver____ obey in this city.

—The speaker is a tall man with glasses.—Then it         be Mr. Smith, who is short and thin.

 —That pink T-shirt with Ping An’s picture on it ______belong to Miss Ma. She admires him a lot. —No, it _____ be hers. She hates pink colour.

It was dark when Mary went out. I wonder how she ______ through the black lane by herself.