Our class ______ forty-five students, in other words, forty-five students ______ our class.
Wind is now the world’s fastest growing ________ of power.
---Ok, I'll fix your computer right now. ---Oh, take your time..
Give me a chance, ________ I’ll give you a wonderful surprise.
— How about dinner tonight? It's on me. — ______ .
She ______ someone, so I nodded to her and went away.