Topics: Present Perfect Continuous Tense
He …….this science for 3 years. (study)
A. have been studying
B. has been studying
C. has studied
D. is studying
Select your answer:
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Present, Past, and Future Time › View¿CUALES SON LOS AUXILIARES USADOS EN EL PRESENTE PERFECTO?
A. HAVE – HAS
B. DO – DOES
C. WILL
D. DID
Grammar › View
My teacher was talking so _______ that I only understood about 75% of what she said.
A. Quick
B. Quickly