[ Modal Verbs ]
The investigated was ongoing, but my guess was that it … one of the staff who had stolen the money.
A. must be
B. must have been
C. could be
D. could have been

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Prepositions Of PlaceGerund and InfinitiveComparison of Adjectives and AdverbsTOEIC Grammar and Vocabulary ReviewAdjective Clause and Adverb ClausePassive Voice of TensesGrammar - either...or, neither...norWill, Be going to, Present ContinuousDirect Object and Indirect ObjectPast Narrative TensesOther quiz:
Grammar & Vocabulary › ViewThere are ……………………… computers in the office but enough.
A. a few
B. few
C. a little
D. little
Present Continuous › View
Tomorrow I ____ ____ my grandfather at his house.
A. will visiting
B. am visiting
C. would visit
D. am visit
Relative Clauses › ViewIt is a car ______ I bought last year.
A. whom
B. who
C. which
D. whose
Grammar › View
Correct simple past tense.
A. She called her friend
B. She sent an email
C. She checked a website
