Exercise 5: Choose the correct answer
1. You shouldn’t …………………………(swim/ to swim/ swimming) too far.
2. Tomorrow he …………………………(visit/ will visit/ visited) his classmate.
3. Don’t …………………………(play/ to play/ playing) with the sharp knife.
4. He is …………………………(playing/riding/climbing) wall.
5. What …………………………(is/ are/ will) the students going to do?