[ Past Modals ]
They _______ have seen the sign, but they ignored it.
A. could
B. could have
C. must
D. may

Random Topics:
Future Simple TensesWill or Going toIrregular Plural NounsModal Verbs in Emergency SituationsInterrogative Pronouns & AdverbsWorld Literature VocabularySimple PastMust Vs Have toQuantifiers & Modals of ObligationGrammar (either..or.. and neither..nor..)Other quiz:
Noun Phrases › ViewMatch the set of noun phrases to grammar structures:
world cuisine
A. adjective + noun
B. noun + prepositional phrase
C. noun phrase + relative clause
D. noun + noun
Simple Present Tense › View
It is very cold here in winter, so they ___________ Australia
A. going to
B. goes to
C. are go to
D. usually go to
Adverb of Manners › ViewMom can chop the union ___________.
A. perfect
B. perfectly
used to vs be used to vs get used to › View
Ivan … speak a lot. He doesn’t speak much now.
A. use to
B. am used to
C. is used to
D. used to
