[ Grammar ]
Land pollution can have huge environmental impact ____ the form of air pollution and soil pollution which in turn can have adverse effect on human health.
A. on
B. in
C. to
D. with

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Grammar › ViewThe simple past of “stand”
A. stod
B. stood
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. James is planning a weekend trip _______ the countryside with his friends.
A. on
B. in
C. at
D. by