2 . It said that he remained ________ treatment and observation. (用适当的词填空)

3 . The cost is a pound ______(加)50 pence for postage.（根据汉语提示单词拼写）

4 . These apples cost 40 pence ________(每)pound. (根据汉语提示单词拼写)

5 . Luckily, Mary managed to escape ________ the burning car. (用适当的词填空)

6 . The noise outside stopped me settling down ________ my lessons.

7 . I do think it is necessary ________ you to listen more if you want to get a high mark in the coming examination. （用适当的词填空）

8 . The emergency nurse can treat minor injuries ________ reference to a doctor. (用适当的词填空)

9 . Don’t take any sleeping pills ________ asking your doctor. (用适当的词填空)