[ Grammar ]
A small black cat and a large yellow dog __________ on the front stairs.
A. sit
B. sits

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Conjunctions and Preposition › ViewWays must be found to prevent the poisonous gases on / from polluting the air.
A. on
B. from
Vocabulary and Grammar › View
My mum ____________ give us a lift because she’s still at work.
A. can´t
B. must
C. don´t need to
D. can
