______ a medicine box under her arm , Miss Zhao hurried to look after the man.[ ]

With the help of the computer, information can ____every corner of the world swiftly.

He had to retire (退休) early _______ poor health.[ ]

Ten years ago _______ only one building in our school. And in 10 years, _______ five buildings in our school.

He __________ be at home now because I saw him in the office just now.