[ Passive Voice ]
Children must be _____ but not _____ .
A. see – hear
B. seen – heard
C. saw – hear

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Grammar › ViewThere are a lot of books in the library.
_____ are for science, _____ are history.
But I like English novels the most.
A. Some ; others
B. Some; the others
C. One; the other
Modal Verbs › View
Jane ______ eat this peanut biscuit. She’s allergic to nuts.
A. must
B. doesn’t have to
C. mustn’t
Tenses › ViewThe council ____ a meeting every Monday.
A. holds
B. held
C. is holding
D. will hold
Grammar › View
From a distance, we could see several old houses standing ____________ along the street.
A. empty
B. emptily
C. emptiness
D. emptying