[ Grammar ]
The astronaut who first walked on the Moon was Neil Armstrong.
A. essential
B. nonessential

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Grammar › ViewWhich of the following is not a subordinating conjunction?
A. where
B. how
C. near
D. before
Grammar › View
An alien named Pluto was my best _______
A. frend
B. freind
C. friend
Present Perfect Tense › View……. you written a letter?
A. has
B. have
C. do
Grammar › View
Tom fell __________ with his friend over a small issue, but they soon reconciled.
A. in
B. out
C. apart
D. through
