We usually install ___ on a window to prevent from the mosquitoes and bugs. ( )
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