1.—Can you sing in English, Tommy? —Sorry, I (can, can't).
2. I want (to join, join) the music club.
3. Tom can play the guitar very (good, well).
4.—Can you help kids with (swimming, swim), Mike? —Yes, I can.
5.—What can you do? —We can (sing, sings) in English.
6. Can you (speak, say, talk) English?