As everyone knows, rubbish _______ everywhere.A.need be thrownB.mustn’t be thrownC
As everyone knows, rubbish _______ everywhere.
A.need be thrown | B.mustn’t be thrown |
C.can’t throw | D.may throw |
B解析:
动词语态。。垃圾rubbish和throw为被动关系,应用被动语态。排除C和D。句意为“每人都知道的,到处都禁止扔垃圾”。Mustn’t表禁止。故选B。