[ Grammar - may/might/could ]
I _____ come to the concert tonight, but I’ll give you a call later and tell you for sure.
A. may
B. can
C. must
D. could

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Preposition and Preposition PhrasePresent Simple vs Present ContinuousGerund Subject or ObjectComplex Sentences with Adverb ClausesCollective NounsGrammar - Countable/ UncountableAdverbs and Time ExpressionsVerb-ing or to VerbFuture SimpleHabitual and Continuous TensesOther quiz:
Question Tags › ViewThere is some milk in the refrigerator, ___?
A. A. isn’t there
B. B. isn’t it
C. C. wasn’t it
Grammar › View
There were many war veterans at the embassy party, many of ____ fought in WW2.
A. who
B. whom
C. which
D. whose
Modal Auxiliary Verbs › ViewForm a question using a modal auxiliary verb to ask about the prohibition of using mobile phones in the school.
A. Will you use mobilephones in the school?
B. Should you use mobilephones in the school?
C. Do you have to use mobile phones in the school?
D. Can’t you use mobile phones in the school?
Vocabulary › View
an ordered pair (x,y) that represents a point on a graph.
A. origin
B. points
C. plane
D. coordinate
