[ Vocabulary ]
Factories must ensure not to ______ their products with harmful chemicals.
A. Intimation
B. Adulterate

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Will and Will not › ViewMaths is really difficult. I hope the teacher _______________________ it again.
A. won’t help
B. will draw
C. will see
D. will explain
Grammar › View
” Has Mary found a job yet? ”
” I don’t know whether _____ or not. ”
A. she does
B. she has found
C. she found
D. she has
Grammar › ViewI can’t play the guitar ______ sing well.
A. or
B. and
C. but
Prepositions › View
I’ll see you ____ home when I get there.
A. in
B. by
C. at
