Those ____ things need water and air, or they will not keep themselves ____. [ ]
A. live; living
B. living; alive
C. alive; lively
D. lively; live
答案:B
Those ____ things need water and air, or they will not keep themselves ____. [ ]
A. live; living
B. living; alive
C. alive; lively
D. lively; live
答案:B