---Has the teacher finished marking the exam papers?
--- Sorry, I don’t know. He ______________(mark) them in the office in the afternoon.
Look!So many students are waiting outside the school gate．
That's true．Perhaps （大门可以早点开）in the morning．（open）
Do you know the City of Xiangyang？
Yes，of course．It's （我到过的最美丽的城市）．（be）
Would you please give me some advice to cut down the pollution？
I think （回收废纸是个好办法）to solve the problem．（recycle）
Are you sure that any wild animals can be humans'friends？
Yes．It's reported that a man named Mark （与一只熊生活了） for 20years．（live）
Do you like your English teacher？
Yes，though she （对我们很严格）．（strict）