Chia đúng dạng từ trong ngoặc

17. I (feel) __________ good the next day if I (go) ____________ to bed early.

18. Lots of people (come)………._ if Jenny (have) ………___ a party.

19. She (buy) ____________ expensive clothes if she (go) _____________ shopping.

20. My daughter (pass) ___________ her exams if she (work) _____________ hard.

21. David (be) ____________ sick if he (drink) _____________ milk.

22. The river (freeze) _____________ if it (be) _______________ very cold.