1 . ________(concern) about his student,the teacher called the student’s parents to find out why he was so often absent from class.(所给词的适当形式填空)

2 . ________ (absorb)in painting, John didn’t notice evening approaching. （所给词的适当形式填空）

3 . When the man came in, gun in hand, we all stood there, ________(astonish).

4 . ________(disappoint) at failing in the math exam, John wouldn’t like to talk about it to his parents.

5 . ________(determine) to give up smoking, he threw away his remaining cigarettes.

6 . After his journey from abroad, Richard Jones returned home, __________(exhaust).

7 . After more than ten days of searching, the missing lady was found at last, ____________(没有意识). (conscious).

8 . ______(上瘾的) to computer games, Tom lost interest in study.

9 . After climbing for a whole night, they finally arrived at the top of the mountain,____(exhaust).

10 . After a long struggle, exhausted but ______________(delight), all the members reached the peak of the mountain.