[ Grammar ]
It’s a difficult problem. It needs …….. about carefully.
A. think
B. to think
C. thinking
Select your answer:

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Homophones › ViewI ate the (pear, pair) for lunch.
A. Pear
B. Pair
Tenses › View
Last week the volunteers (give) _______ food and drink to homeless people.
A. gave
B. is gaving
C. has given
D. give
