第二部分 语言知识运用
第一节 语法和词汇(共15小题;每小题1分,满分15分)
从每小题A、B、C、D四个选项中,选出能填入相应空白处的最佳选项。
1.We believe that Lily is old enough to work out the problem by .
A.she B.her C.hers D.herself
2.I listened to Dr. Johnson's lecture about biology, but I failed to get its key .
A.minds B.notes C.messages D.points