—How many monkeys are there in the zoo?— ______.
A．No one B．Nothing C．None D．No
--- 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
