How is Helen in the new school— She is doing very well. There is ____ to worry about(担心).

ncers, all of _______ masks came offsuddenly, gave us a great surprise

Please ________ your brother when I’m on business. —My pleasure.

When I was young, I was always ____ to my elder brother wherever he went.

e such a big difference in the __________towards what one eats, there is no doubt that people in the West regard theChinese food as something special.