We usually install ___ on a window to prevent from the mosquitoes and bugs. ( )
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举一反三
- In no case ________ the students from exploring new ideas. A: we should prevent B: we could prevent C: should we prevent D: shouldn’t prevent
- We must do everything possible to prevent such things from ________ again.
- From this passage, we know that changes of lifestyle can prevent heart disease.
- As humans we usually try our best to prevent (). A: love B: luck C: loss D: life
- We must prevent them ___ making trouble A: on B: behind C: from D: for
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From the window we could see the children( ) in the playground. A: playing B: to play
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We should ______ the environment from pollution. A: prevent B: protect C: stop D: help
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We must find ways to prevent the poisonous gases ________ polluting the air. A: in B: with C: from D: of
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We may add more icecream to prevent it from melting while shooting video clips for advertisement.
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Lightning bugs can blink themselves because of a chemical substance Why do female lightning bugs have brighter and stronger light than male lightning bugs A: Because they have different physical construction. B: Because they are more offensive than male lightning bugs. C: Because they want to frighten their enemies. D: Because they try to attract males to them.