[ Grammar ]
Catherine’s knowledge of computers ________ so extensive that everybody wants her to be in their project group.
A. is
B. are
C. was
D. were
Select your answer:
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Vocabulary › ViewBeing able to adapt to new situations is a sign of _____ in the workplace.
A. flexibility
B. rigidity
C. stability
D. consistency
Present Perfect Tense › View
My sister _______________ a new dress this morning.
A. have buy
B. has buy
C. have bought
D. has bought