[ 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:
Adjective › Viewa.busy
b.bad
c.fat
d.difficult
Grammar › View
Don’t worry! His daughter will ______ the company when he retired.
A. turn down
B. take over
C. go off
D. break in
Tenses › ViewNowadays, 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