填适当的英语冠词1.________knowledge begins with practice2.It is too difficult______book for beginners.

填适当的英语冠词
1.________knowledge begins with practice
2.It is too difficult______book for beginners.

第一题不填
第二题不可以填the应该填a .绝对的.

第一题不用冠词
第二题 填the

1. /
2. the

1 / 2 a

第一题不填
第二题 a