[ Grammar ]
. The students in the library ___ quietly.
A. works
B. working
C. work
D. is working
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Tenses › ViewI … the book on the desk.
A. will set
B. will be setting
C. set
D. sat
Modals › View
The plants _______ be watered every day.
A. ought to
B. could
C. will
D. may
Grammar › ViewMy hair was awful! I ______________ looked at the mirror before I left the house.
A. might have
B. mustn’t have
C. might not have
D. should have
Modals › View
This bill _____ be correct. It’s much too high.
A. can’t
B. mustn’t