[ Tenses ]
Mary looks very exhausted because she ______ all night. (work)
A. has been working
B. is working
C. was working
D. should have worked
Select your answer:
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Grammar › ViewSusan enjoys playing chess, _________ she?
A. don’t
B. didn’t
C. hasn’t
D. doesn’t
Grammar › View
“You …….. not ……… to me when I explained the theory,” said the teacher to the students.
A. aren’t; listening
B. are; listening
C. was; listening
D. were; listening