[ 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:
Gerunds, Infinitives and Participles › ViewThe children’s ___(sing) disturbed me.
A. song
B. to sing
C. sing
D. singing
Simple Past Tense › View
I……………………… Julian at the Nick’s party. He was handsome.
A. see
B. saw
C. seen
D. is seen
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
