[ 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 cat _______ the mouse in the garden.
A. caught
B. hunted
C. found
D. chased
Grammar › View
Bobby … a basketball in his room.
A. have
B. has
C. is
D. are
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.