练习】根据句子结构，用括号内所提供词的适当形式填空
1) __________ usually go to live _______ to take the temperature of the boiling rock inside.(volcano)
2) You look so tired. Hurry to go into the ________ and take a hot ________ to refresh yourself. (bath)
3) The young mother was so _______ about her baby that the thought filled her with ______. (anxious)
4) His _______ speech about the doctor who worked heart and soul for Tibetan people ________ us so much that it gave us a deep ________.(impress)
