21．If you are eyeing a big purchase such as _______$200 skateboard, spend less and save more until you have _______total amount．
A．a；the B．an；a C．the；the D．a；不填
22．______we get on well with a number of people，we usually make friends with only a very few．
A．Once B．As soon as C．If D．While
23．The first edition of Guinness Book of World Records _______in 1 955 and _________a bestseller ever since．
A．wore published；is B．published；has been
C．was published；has been D．had been published；had been
24．----Why did you ask Johnson for advice instead of Jack?
----Do you think it makes any difference? Jack’s _______helpful than him．
A．no more B．1ess C．more D．no less
25．Born and ________near Edinburgh，Mollie has devoted her talents to writing primarily for young people．
A．turned up B．brought up C．taken up D．picked up
