Mr. Li doesn’t think that all bad language should be allowed. In his opinion, there are ______ that should be kept up.
All the traveling ______ are paid by the company if you travel on business.
Not until yesterday ______ anything about the project that will be completed soon.
There me two maps on the wall: one is a map of China, and ______ is a map of the world.
The conference ______ in Beijing next week is bound to be a great success.
This problem is ______ his ability and 1 don't think he can solve it.