He got up late and hurried to his office, _____ the breakfast untouched.
| A．left | B．to leave | C．leaving | D．having left |
A lot of meetings were ______because of the dangerous disease.
| A．taken off | B．put off | C．turned off | D．set off |
We enjoy______the moon in the open air on the Mid-autumn Day.
| A．to see | B．seeing | C．to watch | D．watching |
----Do you think Jim will pass the Chemistry exam?
----Sure. He ______a lot of time on it.
| A．took | B．cost | C．paid | D．spent |
He ______the bus and found a seat next to the window.
| A．got down | B．got off | C．got on | D．got out |
----What are you doing, Emily?
----I’m ______the radio. The music is so beautiful.
| A．watching | B．listening to | C．hearing | D．mending |