Verb-to-be exercises provides more practices for students that makes them know how to use 'am', 'is' and 'are' in different situations. Meanwhile, the usage of 'have' and 'has' is also introduced in the exercises.
More Practices
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
