根据汉语提示，用单词或词组的适当形式完成句子

1. We all got                (兴奋的) about the football match.

2. You will fail the exam                (除非) you work hard at your study.

3. Kathy can                 (容易地) deal with her problem.

4. His father couldn't                (买得起) to pay for a new car.

5.There is a                (主要的) road near my home.

6. Anna went to the supermarket                (代替) doing homework.

影响核桃嫁接成活的因子有哪些？