[ Verb Tenses ]
While he was writing to his friend, he __________a noise upstairs.
A. was hearing
B. had heard
C. heard
D. hears

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Nouns, Articles, Determiners › ViewCan I borrow ……… from you? I’ve left mine at home and I want to write some notes.
A. a piece of paper
B. a slice of paper
C. paper
D. a paper
Grammar › View
. We will _____ what your father says.
A. see
B. to see
C. seeing
Grammar › ViewHe didn’t understand at all what I did say.
A. correct
B. incorrect
Present Perfect Tense › View
My sister … ridden a bicycle. She is afraid that she will fall off.
A. never
B. has never
C. has ever
D. has not