She'll come and_____ clothes at your shop next time.[ ]
A. buy
B. buys
C. to buy
答案:A
一个数取它的近似值后,比原数小.______.
救生艇发动机应设有()系统,或设有()独立的可再次充电的电源启动系统。
A.手起动/一个
B.手起动/两个
C.自动起动/一个
D.自动起动/两个