[ Modal Verbs ]
Polluted air and water _____ kill plants, animals, and even people.
A. can
B. can’t
C. should
D. shouldn’t

Random Topics:
Adverbial Concession ClausesAdverbs, Modals, Preposition of timeVerb Moods and Vague PronounsFirst ConditionalVerbs + Gerund or InfinitivePossessive Adjectives and Possessive PronounsModals, Infinitives and GerundsPreposition and AdjectiveIndefinite and Definite ArticlesHomophonesOther quiz:
Cohesive Devices › ViewYou will not succeed _________ you try harder
A. although
B. when
C. unless
Grammar › View
Do not drink that milk because it _________ gone bad.
A. has
B. have
C. had
Modals › View. I called Bob this morning, but no one answered.
A. He will leave early.
B. He picked up the phone.
C. He may leave home early.
D. He said hello.
E. He must have left home early.
Grammar › View
My mother ……. a cake every week.
A. make
B. makes
C. made
D. maded
