15. Please don’t disturb him if he (be).............................................. busy.
16. If ice (be).................................. heavier than water, it (not float)...........................................
17. They would be glad if the rain (stop)………………………soon.
18. If Jack (come) ………………………….to my party, I would have danced with him.
19. It’s too bad Helen isn’t here. If she (be) ……………..here, she (know) …………………….. what to do.
20. Lee will go to a Disneyland if he (save) ………………………… enough money
Loga
Sinh Học lớp 12
