适当形式填空,1.Today is his _______birtyday.(eighty)2.Tom can thro
4个回答

1.eightieth八十岁生日.特殊变形去y加ies

2.farther 扔的比我远.比较级.

3.playing

只有三种情况只用start to do sth.

1.start本身用-ing

He is just starting to write the letter.

2.主语是物不是人

The ice started to melt.

3.其后的动词与想法感情有关

She started to understand it.

所以这里用start doing

4.relaxing 根据句子此处填名词.relax变为动名词.

5.saying 此位固定变法.翻为谚语.