[ 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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Present Tenses › ViewCarol and I are old friends. I _____ her since we studied in high school together.
A. have been knowing
B. have known
C. know
D. are knowing
Grammar › View
He wanted to know the reason …………… I was late.
A. as
B. for
C. why
D. because
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