—We're going for a picnic next Sunday, and I'd like you to join us.
—____________！I have to see my grandmother. She has been
ill for two weeks.
| A．What a pity | B．Good luck | C．That’s all right | D．Go ahead |
I can’t say which wine is best, it’s a(n)___ of personal taste.
| A．thing | B．event | C．affair | D．matter |
It was in the lab___was taken charge of by our teacher____ they did the experiment.
| A．which; that | B．where; which | C．which; where | D．that;where |
Our teacher makes good use of any time______ he can spare.
| A．which | B．that | C．when | D．in which |
London,______ last year, is a nice old city.
| A．that I visited | B．which I visited | C．I visited | D．where I visited |
Because of my grandma’s poor memory, she has forgotten all____ you told her.
| A．which | B．what | C．as | D．/ |