[ Passive Voice ]
The computer solves more than one kind of problem. More than one kind of problem…
A. are solved by the computer.
B. is solve by the computer.
C. was solve by the computer.
D. is solved by the computer.

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Aside from writing essays, we have to learn grammar, to edit paragraphs, and to work in groups.
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In which tense is ‘could’ used to express ability?
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When you come home after school.
A. claim
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C. based
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