Each boy and girl as well as some teachers who ______ to visit Hengshui Middle School in Hebei Province ______ asked to be at the bus station at 6:30.   

Mary is a lucky girl and she is the only one of the students who______ been to Paris.

Nothing but cars               in the shop.
　　      

Every boy and every girl as well as some teachers who ___ to visit the museum _____required to be at the bus station at 6:30.

---Is everyone here?
---Not yet……Look , there_______ the rest of our guests!

Joan together with her parents ____ going to visit the Summer Palace this Saturday.

Books of this kind ______ popular with the pre-school children.

According to the recent regulation, it is required that any chemical plant that_______ along the river _______ to build a recycling center for the waste.

Yao Juan is the only one of the students who_________to be praised.

He says all _______ tried their best and that all that can be done _______ been done.