СРОЧНО!!ПОМОГИТЕ!!

Написать 10 предложений!(не словосочетаний),со словами explore,exploration,research,a researcher,launch,problem.

Помогите пожалуйста,срочно надо!

1) he is exploring cells now
2)he is an explorer
3) he completed the exploration in USA
4)I set up the alarm clock at 7 o'clock 
5)The Sun is risen
6)it is very long, the length of the buinding is 10m
7)he is very strong, his strength is enormous