[ Tenses ]
I’m busy at the moment. I ……….on the computer.
A. work
B. worked
C. am working
D. working
Select your answer:

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Present Perfect Tense › ViewShe __________ (not / clean) her room yet.
A. did not clean
B. hasn’t cleaned
C. has not cleaned
D. not cleaning
Be Verb in Tenses › View
The circle ____ perfect when we drew it today.
A. was
B. is
C. are
D. were
