1 . ______(injure) in the leg makes it impossible for me to walk as fast as usual.

2 . They were accused of a____________ their power to keep prices artificially high.

3 . He used _________(stay) up late，but now he is used to _________(go)to bed early.

4 . I consider it no use _____________(quarrel) with him about it.

5 . For the next seven days, he kept p________（敦促） me to let him surf again.

6 . There is no point s________ （牺牲）our environment for more economic profits.

7 . “I think social media has helped us in p________（推广）things,” said Jennifer Baumgartner.

8 . At first he refused to accept any responsibility but ended up ________(apologize). (所给词的适当形式填空)

9 . I remembered ________(lock) the door before I left the office, but forgot to turn off the lights. (所给词的适当形式填空）

10 . 来自许多国家的这群人的联袂演出、音乐以及恢弘的场景显然是这场令人惊叹的演出的重要因素。