Combustion produces______heat.A、and light ofB、both light andC、light alsoD、as

游客2024-01-02  17

问题 Combustion produces______heat.

选项 A、and light of
B、both light and
C、light also
D、as light as

答案 B

解析 The paired expression both...and connects two nouns: both light and heat.
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