[ Grammar ]
Thanh and Nam________ be in the same class, but I’m not sure.
A. can’t
B. must
C. could
D. might

Random Topics:
Grammar for TOEFLModal and Modal PerfectGrammar PhrasesQuantifiers and ArticlesPresent tense AffirmativeModal SpeculationPresent ProgressiveModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityPast Tense & Present Perfect TenseGrammar Comma UsageOther quiz:
Vocabulary › ViewA restatement of original text with detail and explanation is known as
A. A summary
B. A thesaurus
C. A paraphrase
D. Page formatting
Grammar › View
You … come to school in time.
A. Should
B. May
C. Might
D. Must
Susan enjoys playing chess, _________ she?
A. don’t
B. didn’t
C. hasn’t
D. doesn’t
Tenses › View
Today, the students … going for a trip.
A. are
B. is
C. was
D. were
