[ Modal Verbs ]
They _____ here by now; I wonder why they haven’t yet.
A. should have arrived
B. can arrive
C. may have arrived
D. must be arriving

Random Topics:
Grammar ModalsPrepositions - ConjunctionsTenses - Present and PastModal Verbs & Time PrepositionsPrepositionConditionals Type IPassive Modals in Different TensesA(n), the, no articleVerb and PrepositionVerbs & Phrasal VerbsOther quiz:
Vocabulary › ViewIt took ___________ strength and a major surge of adrenaline for the man to lift the car off the child.
A. irrevocable
B. quixotic
C. stoical
D. herculean
Vocab Checking › View
She wants to be …. in voluntary work.
A. engage
B. participate
C. involved
D. inactive
Article › ViewIs there ________ university in this town?
A. a
B. an
C. the
D. –
E. as
Passive Voice › View
My father wrote this book. It ….. by my father
A. Will be wrote
B. Was write
C. Was written
D. Is written
