一、填空
1.It's high time that we _____(take) measures to protect the environment.
2.It was the first time that I _____(speak) in public.
3.This is the first time that he _____(draft) a plan for the new company.
4.Drivers who give _____(signal) before turning or stopping help prevent accidents.
5.He ran into the burning house to save the employee without _____(hesitate).
6.In _____(add), group exercise creates a community feel and the shared common goal motivates participants to work hard.
7.He outlined his plans and then proceeded _____(explain) them in detail.
8.As far as I know, she never gave up and struggled _____(lead) an active life.
9.They continued _____(talk) after the meal.
10.Give your father my _____(regard) the moment you see him.
