Waste paper _______ everywhere. It’s our duty to keep the school clean.
| A．throws | B．are thrown | C．shouldn’t be thrown | D．should be thrown |
As soon as they arrived in the big city ,they found it difficult to find somewhere cheap__________
| A．to live | B．to live in | C．to live on | D．living |
There__________ great changes in our city in the past 10 years.
| A．were | B．had | C．have been | D．have had |
Linda is fond of playing ______violin while Della is interested in listening to ______music.
A: /; the B. the; a C. a the D. the; /
— David, your mother’s birthday is _____. Let’s think about how to celebrate it.
—OK, Dad.
| A．coming up | B．picking up | C．closing down | D．looking up |
My school is close ____a supermarket.
| A．from | B．by | C．with | D．to |