Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
This is the school ____ we visited three days ago.
| A．where | B．/ | C．when | D．what |
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 |