Insects feed _____ plants.[ ]

Hello, can I speak to Mr. Green, please?— I’m afraid not. He ______ a meeting now.

The president of the USAaround the Palace Museum last month.

Why are you still here? It’s already seven o’clock.—Because I ________my work. Don’t worry. It’s almost done.

What is Antonio like?—Well, he is pretty ___________. He often gets nervous when he has to meet new people.