It was in the school____he had studied____he began the important experiment.
| A．that;where | B．inwhich;which |
| C．where;that | D．where;inwhich |
I don’t think he could have done such a stupid thing last night, _____?
| A．did he | B．could he | C．do I | D．hasn’t he |
The customer didn’t choose______of the coats and went away without looking at a third one.
| A．both | B．all | C．any | D．either |
I was so familiar with her that I recognized her voice________I picked up the phone.
| A．the moment | B．after | C．before | D．while |
__________you don’t like him is none of my business.
| A．What | B．Who | C．That | D．Whether |
— Why were you not at the concert last night?
— I ______ a close game between Seattle Sonnies and Miami Bucks.
| A．watched | B．was watching | C．have watched | D．had watched |