Susan decided not to work on the program at home because she didn’t want her parents to know what she______ .
| A．has done | B．was doing | C．had done | D．is doing |
相关试题
.Don't ____ when other people are talking.
| A．cut through | B．cut across | C．cut into | D．cut in |
After supper she would sit down by the fire , sometimes for _____an hour ,
thinking of her young and happy days.
| A．as long as | B．as soon as | C．as much as | D．as many as |
It was several minutes before I was ____ of what was happening.
| A．fond of | B．realized | C．aware of | D．prepared of |
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