1 . 有一次，老师要求他背诵《蜀道难》。
Once, he ________ ________ by his teacher to recite the Difficult Road to Shu.

2 . —You look upset! What’s up?
—Our class planned to have a study trip, but the sudden cold ________ us to give it up.

A．required

B．allowed

C．advised

D．forced

3 . The famous writer wrote many stories of love. But she ________ single all her life.

A．repeated

B．remained

C．realized

D．required

4 . Nowadays, many people in cities are ________ to divide the waste from daily life into four different groups.

5 . Nowadays, we are ________ to show our green health codes（健康码）when we go to public places.

6 . People are usually ________ (require) to give a self-introduction in an interview.

7 . —I offered Sandy a helping hand. However, she ________ it.
—Maybe she could manage herself.

A．received

B．required

C．refused

D．regretted

8 . You are r________ (需要) to work hard to succeed.

9 . 很多工作要求大学学历和基本的电脑知识。
Many jobs ________ a college degree and basic computer knowledge.

10 . To keep safe, passengers are ________ to stay in their seats and wear seat belts （安全带）when the plane is taking off.

A．suggested

B．promised

C．introduced

D．required