Complete the first conditional sentences

Bài 5: Complete the first conditional sentences.
0.If I
(study) hard, I
I. Theresa
2. If her boyfriend
3. If the phone
4. What
5. He
6.
If you
7. If they
8.
9. He
(improve) my English.
(go) to Japan if she
(not call) today, she
(ring),
(you/do) if you
(find) a part time job if he
(feel) unwell tomorrow,
(not tell) us, we
(you/let) me go if I
(get) a cheap flight.
(leave) him.
(you/answer) it?
(not find) your wallet?
(keep) looking.
(cat) some popcorn if he
(take) a rest.
(keep) asking.
(promise) to come back early?
(feel) hungry.