[ Modal Auxiliary Verb ]
Jane was so tired. She ___ have worked days and nights.
A. Should
B. Must
C. Need

Random Topics:
Grammar - FutureHope, Thank, Modal VerbsV-ing/to-VVerbs & Verb TensesModals and Modal PerfectsPossesive Pronouns and Modals of AbilityPast Simple VS Used toAdjective ClausesVerb to beSimple Future TenseOther quiz:
Grammar › ViewPresent perfect or past simple: Last year she ____ (work) a lot.
A. worked
B. work
C. working
D. has worked
Grammar › View
Jake and Tom ___ playing computer games.
A. am
B. is
C. are
Grammar › ViewAndy and Den ……. (to discuss) the plans for their winter holidays for two hours now.
A. have discussing
B. has been discussing
C. have been discussed
D. have been discussing
Articles and Determiners › View
I want ____ boat which would take me to the island.
A. the
B. an
C. those
D. a
