[跟踪训练]
在空格处填入适当的词(1个单词)或所给词的正确形式
1．The enemy attacked (fierce)，but the line held firm.
2．Dad，I’m a (grow) woman.I know what I’m doing.
3．We can see a lot of (butterfly) flying in the sky.
4．He stopped and watched with amusement to see the child so (absorb)．
5．She (survive) her husband by twenty years.
6．How often does your dog give birth puppies?
7．The sun gives light and heat to the earth.
8．One weekends the Smiths usually drive to the countryside and take the fresh air there.
9．All plants like to grow toward the sunlight.
10．The castle seems to be attack.
