[ Grammar ]
My grandfather has been coughing ________ three days.
A. in
B. on
C. for

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Tenses Usage › ViewRenewable energy _____ a key role in achieving global sustainability.
A. play
B. plays
C. playing
D. played
Conditionals › View
_____ more careful, we would have completed the work.
A. Had we been
B. Were we
C. Should we
D. We have been
Grammar › ViewChoose the correct sentence!
A. How well she dances!
B. How she dances well!
Grammar › View
My mom is ___________ honest woman.
A. a
B. an
C. the
