[ Perfect Modals ]
I think they __ got lost – surely they’d be here by now!
A. can have
B. should have
C. must have

Random Topics:
Linkers and ConjunctionsConnectivesGrammar : Must (Necessity)Modals for DeductionInfinitivesTime ConjunctionsPast Progressive TenseAuxiliary ModalGerunds and ModalsVerbal PhrasesOther quiz:
Present Perfect Tense › ViewHave you ever _______in a chair for six hours?
A. sit
B. sat
C. sitten
D. sitting
Grammar › View
Avon is cute. What is Avon in the sentence?
A. A. adjective
B. B. noun
C. C. verb
D. D. pronoun
Nowadays, people ……………….. more hours than before.
A. works
B. are working
C. have been working
Modal Verbs › View
All female students .. wear veil to school
A. don’t have to
B. doesn’t have to
C. have to
D. shouldn’t