Is that your best friend Kitty?
— No, it _________ be her. She flew to Singapore yesterday.
| A．must | B．can | C．Mustn’t | D．Can’t |
--- 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 |
Riding bicycles makes us ___________.
A. to keep healthy B. keep health C. keep fit