The computer centre, _______ last year, is very popular among the students in this school.
| A．open | B．opening | C．having opened | D．opened |
But for those interruptions, the meeting _____ half an hour ago．
| A．was finished | B．would have finished |
| C．would finish | D．had been finished |
_____ by the latest electronic toys, the little boy stood in front of the windows, without moving．
| A．To be arrested | B．Arrested |
| C．Having arrested | D．Arresting |
Every day ____ a proverb aloud several times until you have it memorized．
| A．read | B．reading |
| C．to read | D．reads |
A good listener takes part in the conversation,offering ideas and ______ questions to keep the talk flowing．
| A．raising | B．understanding |
| C．copying | D．solving |
____under the tree was a charming girl aged about seventeen or eighteen．
| A．Sat | B．Sitting |
| C．To sit | D．Sit |