[ Grammar ]
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working

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Articles › ViewWe had a dinner at a nice restaurant.
A. TRUE
B. FALSE
Passive Sentences › View
The old woman sells shoes.
A. Shoes are being sold by the old woman
B. Shoes have been sold by the old woman
C. Shoes are sold by the old woman
D. Shoes is sold by the old woman
Grammar › ViewMr. Monahan is a dad.
In this sentence, what is the word “dad”?
A. Object of the preposition
B. direct object
C. predicate noun
D. indirect object
Grammar › View
How old are you?
A. She’s 21.
B. I’m 21
