Help others whenever you can ______ you will make the world a nicer place to live in.
| A．and | B．or | C．unless | D．but |
—How do you find your new pen?
—Wow, _____. It’s really worth the money I paid.
| A．quite by chance | B．it lies in my drawer |
| C．it’s well written | D．it writes very well |
It’s dangerous if you have the fire _____ all night long.
| A．to burn | B．burn | C．burned | D．burning |
The Gate of Fortune, from ____ top visitors can enjoy a wonderful sea view, will attract lots of tourists.
| A．which | B．whose | C．where | D．its |
After 15 years in the USA, he has finally decided to _____ American citizen-ship.
| A．care for | B．apply for | C．wait for | D．prepare for |
—Why not take my car to the museum instead of walking?
—No, thanks, ______.
| A．I’m able to | B．I’m used to | C．I’m about to | D．I’ve got to |