1. Joanna is now at the top of her profession. (risen)
Joanna............... the top of her profession.
2. Gary is obviously the best singer in the group. (stands)
Gary............ the best singer in the group.
3. Tom gets impatient very easily when he's learning a new part. (lacks)
Tom...... when he's learning a new part.
4. Despite the rumours, the lead singer does not intend to leave the band. (has)
Despite the rumours, the lead singer............ the band.