22．There are only ________ new words in the passage，but I know ________ of them．

A．some；all            B．a few；none        C．lots of；a few

21．In autumn when leaves ________ yellow，they soon begin to fall down to the ground．

A．keep                    B．turn                     C．stay

20．Julie enjoys listening music very much．She often says to me that _______ is more interesting than music．

A．nothing               B．something             C．everything

19．--Is this Sam's bike or yours?

--It's my bike，not ________．

A．yours                         B．him                     C．his

18．Alice ran ________ Lucy，so she got to the end ________．

A．as fast as；earlier  B．faster than；earlier  C．faster than；the earliest

17．You ________ stay in bed any longer．Get up to work quickly!

A．must                   B．won't                      C．can't

16．There is ________ big square in ________ center of our city．

A．a；the                 B．the；a                 C．the；the

15．--Please give this note to John．

--OK，I'll give it to him as soon as he ________．

A．is coming back    B．will come back      C．comes back

14．When Mary couldn't see her mother，she began to cry and ________ her．

A．look for               B．look after             C．look at

13．--I haven't seen Bob for a long time．

--I haven't seen him，________．

A．too                      B．either                         C．instead