[ Grammar ]
Erik is really tired. He ______ have worked a lot.
A. must
B. might
C. should
D. may

Random Topics:
Gerunds in SentencesConditionals / Unreal PastSimple Present and Past Tensetoo / enoughConditional Sentences Type 1First ConditionalsIdentifying TensesConditional Sentence 0, 1Adjectives & QuantifiersIf/Unless - Conditional type 1Other quiz:
Grammar › ViewDo ___ ___ at least once a week?
A. you, exercise
B. you, exercises
C. you, exercised
D. They, exercises
Toeic Verb › View
Mr. Brown’s superb attention to details —— won him a positive reputation.
A. are
B. were
C. has
D. have
Articles with Substances › ViewPerrier is ___ mineral water.
A. a
B. an
C. the
D. —
Comparison › View
Could you show me the way ___________ the temple?
A. in
B. to
C. of
D. at
