[ Tenses ]
The air in some big cities ____________________ more polluted
A. is becoming
B. becomes
C. will become
D. became

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First ConditionalFamily Members and Present SimpleVerb + InfinitiveVerb Tenses and UsageGrammar and PrepositionsCoordinating ConjunctionVerb and PrepositionModals and Active and Passive VoiceQuantifiers and ArticlesDefinite and Indefinite ArticlesOther quiz:
Question Tag › ViewNambina does not thank you,…….?
A. does not she
B. does she
C. doesn’t she
Verb › View
Nathan knows he ______________________ new techniques in photography. (present perfect of learn)
A. Learned
B. Is learning
C. Will have learned
D. Will learn
E. Has learned
Another word that means the same as ‘next to’ is ….
A. over
B. through
C. beside
Grammar and Vocabulary › View
Bill is going to …… his son from school and take him to basketball practice.
A. drop off
B. pick up
C. set up
D. point out