If the city ____(have) more green space, the air quality ...

★ Conditional Sentences

If the city ____(have) more green space, the air quality wouldn’t be so bad.

A. has

B. had

C. has had

D. would have

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If we ______ children the importance of the environment, they _________ more aware of saving energy.

A. teach – will become

B. teaches – will become

C. teach – become

D. teach – would become