The hotel wanted to charge 50$ for the room service, but we couldn’t ______ to live in such an expensive hotel.
| A．spend | B．afford |
| C．charge | D．pay |
Carl hopes to win the tennis game one day. That is he has been practicing hard.
| A．why | B．how | C．because | D．where |
Ever since the patients moved to the new hospital last year, they better medical treatment.
| A．have received | B．had received |
| C．will receive | D．received |
Living in a fast-paced world, we get left behind if we stop learning.
| A．should | B．dare | C．may | D．need |
Shila doesn't speak our language, she seems to understand what we say.
| A．and | B．yet | C．so | D．or |
—Are you free tomorrow? I was wondering if we could have lunch together.
— No, I'm afraid not. I John then.
| A．am meeting | B．met | C．have met | D．was meeting |