2.) The elephant's tusk and ears.
3.) We stopped to use the bathroom, stretch our legs and eat some dinner.
4.)On Saturday October 10, in the center of seventh street. Three boy's bikes were left.
to sing in the choir is an infinitive. an infinitive is a basic form of a verb doesn't necessarily need a subject like it's understood so the understood subject is there when the phrase is said so "sing in the choir is your basic verb so it's an infinitive
Your answer is A : Outstanding
