---- Let’s go shopping at the new mall.
---- Why not shop on line? It’s _________.
A. less expensive B. expensive C. more expensive
There is an art room ___ the first floor.
A. in B. at C. on
--- Is there anyone here name isBetty?
---- Sorry, I don’t know.
| A．who | B．which | C．whom | D．whose |
I really wanted to help those homeless children in the flooded areas, ______ I donated all the pocket money that I had saved for months.
| A．so | B．because | C．since | D．for |
The robber was caught by two men ______ police uniform _________.
| A．in; at the once | B．in; at once | C．on,; at the once | D．on; at once |
She’s feeling ______ tired.
| A．a bit | B．a bit of | C．lots of | D．a few |