Chia động từ trong ngoặc cho hợp lí

1, if she (not have to) ... walk home in the rain, she (not catch) ... aterrible cold last friday.
2, the first olympic games (take) ... place at olympia in ancient greece, nearly three thousands years ago. They(hold) ... every four years
3, If someone (give) ... you a helicopter, what you (do) ... with it ? 
4, Judy(suggest)... going for a walk but no one else wanted to/
5, Before(go)... ti bed, the child (tell) ... to brush his teeth.
6, They (stand)... there for the last twenty minutes. They(argue)... very excitedly all the time. Shall i come and interrupt them?
7, It's time we turned on the central heating. It(get)... colder every day.