[ Prepositions ]
Exercising in polluted air is harmful ____ your health.
A. for
B. to
C. with
D. at

Random Topics:
Unless If First ConditionalPresent, Past, Present Perfect and ComparativeGerund and InfinitiveAdverb of MannersInterrogative Pronouns-ed and -ing AdjectivesPast Tense, Recount Text, and Future TensePassive Voice Active Voicegoing toBecause of & Inspite ofOther quiz:
Grammar › ViewThe earth ………. around the sun.
A. Go
B. Going
C. Is going
D. Goes
Grammar › View
It’s 7.00 p.m. now and we ____ meal together. We usually ____ dinner at that time.
A. have – eat
B. have – are eating
C. are having – eat
D. are having – are eating
Grammar › ViewDad, ____ (you/finish) reading the paper yet?
A. did you finish
B. are you finishing
C. have you finished
D. has you finished
Grammar › View
Which is a complete sentence?
A. After leaving the road.
B. The group took out their map.
C. To check that they were on the right path.
D. And had not become lost.