写出下列词语的适当形式.1. go 2. do 3. city 4. let'

写出下列词语的适当形式。1. go (现在分词) __________________

2. do (过去式) __________________

3. city (复数) __________________

4. let's (完全形式) __________________

5. one (序数词) __________________

试题答案

1. going 2. did 3. cities 4. let us 5. first