1 . ______ (addict) to computer games, he couldn’t concentrate on his studies. (所给词的适当形式填空)

2 . A______ (专心致志的) in her book, she didn’t notice the time passing by until it was dark outside. (根据中英文提示填空)

3 . 三天之后， 游客们安然无恙地回到了家。
Three days later, the travelers arrived home _________   _________   ________.

4 . Deeply ______ (concern) about the children of Africa who are dying of hunger, groups of volunteers headed for the desert. （所给词的适当形式填空）

5 . Much to their parents’ relief, the boys eventually came home, ________________ (安然无恙的). (根据汉语提示完成句子)

6 . ________(determine )to get a ticket of the concert, he didn’t mind the amount of time spent waiting in the long queue. (所给词的适当形式填空)

7 . ________ (worry) about their children’s safety, the ________ (concern) parents as well as the teachers went into the mountains in search of the ________ (lose) students. (所给词的适当形式填空)

8 . ________ (worry) about their children’s safety, the ________ (concern) parents as well as the teachers went into the mountains in search of the ________ (lose) students. (所给词的适当形式填空)

9 . ________ (determine) to make a breakthrough in his career, he works day and night in the company. (所给词的适当形式填空)

10 . Hearing this, he lowered his eyes, obviously ________ (disappoint). (所给词的适当形式填空)