Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.
34. I like getting up very early in summer. The morning air is so good ______.
33.Mary,_______here---everybody else, stay away you are.
32. Premier Wen Jiabao has many important ______ of state to deal with.
31. They had a desire that I______ their wedding.
30. They appeared ____ me, so I had to explain to them.