[ Grammar ]
It is necessary that we come up with a way to ____________ this difficult problem as soon as possible.
A. solving
B. solve
C. solves
D. solved
Select your answer:
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Grammar › ViewCan you help me ______ these bags?
A. to dance
B. to eat
C. to throw
D. to carry
Preposition › View
I don’t know where my umbrella is. Perhaps I left it ____ the bus.
A. in
B. on
C. at