.He went to American _____some English as well as ____.
| A．learning ,to travel | B．learning, traveling | C．to learn, travel | D．to learn ,to travel |
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 |
They are busy______ready for the exam.
| A．get | B．getting | C．to get | D．got |