20．---We’d like a standard room, please.
---I’m sorry. All but two single rooms with Internet access__________.
| A．were reserved | B．has been reserved |
| C．have been reserved | D．has reserved |
Everyone was on time for the meeting_______ Chris, who’s usually ten minutes late for everything.
| A．but | B．only |
| C．even | D．yet |
The man we followed suddenly stopped ad looked as if________ whether he was going I the right direction.
| A．seeing | B．having seen |
| C．to have see | D．to see |
—Would you rather come on Friday or Saturday?
—________.
| A．Yes, of course | B．The other is better |
| C．What’s the matter | D．Either would suit me |
—Did you look up the time of trains to Shanghai?
—Yes, the earliest train is________ to leave at 5:30 am.
| A．likely | B．about |
| C．possible | D．due |
She stepped into the bedroom quietly_______ she might wake up her roommates.
| A．for fear that | B．so long as |
| C．on condition that | D．in order that |