--Mr. Black, this is our language lab. Would you like to go in and have a look?
--OK.________.
| A．Help yourself | B．This way, please | C．Follow me | D．After you |
We will wait for further information, you should keep us_________.
| A．heard | B．informed | C．realized | D．recognized |
—I’d like to book a room for tonight.
—Sorry, sir, but we don’t have any rooms _________ right now.
| A．unable | B．comfortable | C．available | D．Suitable |
Students living far away from home will be happy with our dormitories, all of which ____ its own bathroom.
| A．come with | B．comes into | C．comes by | D．come for |
He told me ______ he would do with the waste materials the next week.
| A．all what | B．all that | C．what all | D．that all |
We still remember the day ______ we spend repairing the old house.
| A．what | B．on which | C．when | D．which |