[ Adverbs ]
Toxic gasses are being released into the air ____________ petrol cars.
A. because
B. because of
Select your answer:

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Inversion + Passive VoiceAdjectivePast Perfect Simple TensePresent Perfect Continuous TensePast Perfect vs Past SimpleGerund, Participle, Infinitive, or AppositiveAdverb and Noun ClausesAdverbial ClauseWho or WhomClauses and GerundsOther quiz:
Present Simple vs Present Continuous › ViewJohn ………………much better now.
A. feel
B. feels
C. feeling
D. is feeling
Grammar › View
There are / is two cats in the garden.
A. are
B. is
