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I can’t remember _______ you started doing the work.
| A．that it was when | B．when it was that |
| C．when was it that | D．that was it when |
Tom was about to close the windows_____ his attention was caught by a bird.
| A．when | B．if | C．and | D．till |
________ a mobile phone can you ring ______ you want to talk with anyway.
| A．Using; whoever | B．Only on; whomever |
| C．By; whatever | D．With; anyone |
It was at the gate of our school ____we gave the visitors a warm welcome.
| A．where | B．how | C．that | D．/ |
I am afraid that Mrs. Black doesn’t believe her son is able to design such a complicated machine, ?
| A．does she | B．aren’t I | C．is he | D．isn’t he |
_______ homework did we have to do that we had no time to take a rest.
| A．So much | B．Too much | C．Too little | D．So little |
Not once ________ to Michael that he could one day become a top student in his class.
| A．occurred it | B．it did occur | C．it occurred | D．did it occur |
West of the city ________, which provides a lot of job opportunities for the local people.
| A．a factory lies | B．does a factory lie |
| C．is lying a factory | D．lies a factory |