_____ no need _____ the radio since I’ve been used to working with it on.
| A．It’s; to turn down | B．It’s; turning up | C．There’s; turning off | D．There’s; to turn off |
—I’m going to the States.
—How long ________you________ in the States?
| A．are; stayed | B．are; staying | C．have; stayed | D．did; stay |
________ we know, the moon goes around the sun.
| A．As long as | B．As far as | C．As much as | D．As soon as |
in the early 20th century, the school keeps on inspiring children’s love of art.
| A．To found | B．Founding |
| C．Founded | D．Having founded |
It is one of the funniest things____ on the Internet so far this year.
| A．finding | B．being found | C．to find | D．found |
Though ____ to see the strangers, the housewife gave them a big smile and said hello.
| A．surprising | B．to be surprised |
| C．surprised | D．having surprised |