7. Although there is a difference in spelling and pronunciation between American English and British English, both of the countries have much to _______.
_______ in the regulations(规定) that you should not tell other people the password of your e-mailaccount.
He did it ______ it took me .
------- some people regard as a drawback is seen as a plus by many others.
You are saying that everyone should be equal,and this is _____I disagree.
I don’t know whether he to go to the USA for further study.