I can’t bear ____, so I hope you can come on time.

To Learn English well, You need to do a lot of practice in listening ,speaking ,reading and writing. _____ only learn some grammar rules. 

Scientists think they have _____ in their attempt to find the causes of some major dieases.

The school should ____ immediately to the parents’ request that students not attend classes on Sundays.

A good speaker is supposed to manage to ________ the listeners what he means.