---________ it is from our own planet Earth to Mars!
--- Yes, it takes months to travel to Mars by spacecraft.
| A．How soon | B．How far |
| C．How long | D．How often |
The museum is open every day ________ on Sunday.
| A．besides | B．except for | C．without | D．except |
He succeeded in ________ a gold medal in school sports meeting.
| A．winning | B．win | C．wining | D．won |
I am good at playing the piano, but Lucy is even ________ at it.
| A．good | B．better | C．best | D．well |
When Miss Green asked us ________ silent, we stopped ________ at once.
| A．keep; talking | B．to keep; talking | C．keep; to talk | D．to keep; to talk |
My mother lost her key ________ her car yesterday.
| A．at | B．of | C．to | D．for |