--- Are you _____ than your brother? --- No, I am less _____ than him.
Look! The students are playing on the playground. Some are running, some are playing basketball, ________ are watching.
--_____ do you visit your grandparents, Jane?-- Once a month.
Beijing is the capital of China and it is one of ______ cities in the world.
There ______ something wrong with my bike today, so I have to walk to school.
--When will Mr. Black come to Beijing? --________ the morning of September 5th.