[ Grammar ]
I __________ this report since nine o’clock last night.
A. has been worked
B. has been working
C. have been worked
D. have been working
Select your answer:
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Subject Verb Agreement › ViewThe number of women running in last week’s road race ______ unusually high.
A. were
B. was
Grammar › View
Christopher Columbus _______ to America in the 1500s.
A. sailer
B. sail
C. sailing
D. sailed