Chia đúng dạng từ trong ngoặc
1, If he........(have) more time , I......(play) more.
2, She.........(visit) her grandma this summer holiday If her grangparents........(allow) her.
3, If they.......(be) mechanics, they.......(repain) their own bikes.
4, There........(be) a lot of pollution if people.......( throw) rubbish everywhere
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