__in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required | B．What requires | C．It is required | D．It requires |
26. We were all waiting for you. You _____ for the seaside by yourself without
leaving a message.
| A．mustn’t leave | B．shouldn’t have left | C．could not have left | D．needn’t leave |
25. When a person wants to operate the computer, _____ read instructions first.
| A．you will have to | B．one must | C．they will have to | D．he has to |
24. _____ many other scientists, Albert Einstein enjoyed music besides scientific
research work.
| A．In common | B．In the same | C．In common with | D．As |
23. He did as much as he _____ her.
| A．could help | B．could to help | C．helped | D．Helping |
22. The town has changed a lot _____ what it was before.
| A．compared to | B．comparing to | C．compared for | D．comparing with |