1 . Mike is so confident that he always ________ (接受) the challenge.

2 . Peter ________ (不及格) his English exam because he spelled too many words wrong.

3 . He can cook ________ (真正的) Chinese food.

4 . It is one of the most important ________ (发明) in the history of the world.

5 . My parents don’t ________ (允许) me to go to the party.

6 . Mary cut ________ (she) when cooking dinner.

7 . Most of them have no ________ (communicate) with their parents, so they can’t understand each other.

8 . We need some v________ to help look after these kids.

9 . A lot of old people are l________ because their children hardly ever come home.

10 . As we all know, glass ________ (feel) much colder than wood in winter.