When the teacher speaks, we have to keep quiet, ?
| A．don’t we | B．mustn’t he | C．haven’t we | D．doesn’t he |
.（上海卷25）. Sean has formed the habit of joggingthe tree-lined avenue for two hours every day.
| A．between | B．along | C．below | D．with |
（浙江卷7）. I guess we've already talked about this before but I'll ask you again just __ .
| A．by nature | B．in return | C．in case | D．by chance |
. Tired, Jim was fast asleep with his backa big tree.
| A．in | B．below | C．beside | D．against |
（辽宁卷31）. I agree to his suggestion ______the condition that he drops all charges.
| A．by | B．in | C．on | D．to |
.More and more high——rise buildings have been built in big cities space.
| A．in search of | B．in place of | C．for lack of | D．for fear of |