The young lady was careful _________.
| A．not repeating her mistake | B．not repeated her mistake |
| C．to not repeat her mistake | D．never to repeat her mistake |
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．/ |
The weather turned out to be very good,_____was more than we could expect.
| A．what | B．which | C．as | D．it |