[ Grammar ]
I picked ______ a pen.
A. up
B. at

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General Knowledge › ViewWhat is the longest river in the world?
A. Nile River
B. Red River
C. Mississippi River
D. Comite River
E. NONE OF THE ABOVE
Grammar › View
We _____________ tried our best this year.
A. were
B. has
C. are
D. have
Modals › ViewZoe ___ bring her own lunch to school if she prefers eating snacks from the vending machine.
A. can’t
B. doesn’t have to
C. shouldn’t
D. might not
Grammar › View
___________________ received the reward this month? William did.
A. whose
B. what
C. which
D. who