[ Grammar ]
When his girlfriend came, he _________ his car.
A. cleaning
B. cleans
C. is cleaning
D. was cleaning

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Grammar › ViewMy father always washes his car … .
A. Yourself
B. Himself
C. Itself
Active and Passive Voice › View
Archeologists discovered Machu Picchu in 1911.
A. Archeologists was discovered Machu Picchu in 1911.
B. Archeologists is discovered Machu Picchu in 1911.
C. Machu Picchu is discovered Archeologists in 1911.
D. Machu Picchu was discovered Archeologists in 1911.