______the address, Tom sent the email to his teacher.
| A．Having checked | B．Checked | C．Being checked | D．To check |
There has been a（n）____of sadness in the small town since a boy was drowned in the river．
| A．scene | B．atmosphere |
| C．condition | D．appearance |
—Dear, you water the garden and I do the cooking．
| A．Why me? | B．Forget it． | C．No way． | D．Ok, that's settled． |
—How does the Internet ____us?
—By sharing information free of charge．
| A．educate | B．improve | C．limit | D．benefit |
The director asked me to finish this task by Sunday．How can I ____to?
| A．attempt | B．manage | C．decide | D．happen |
．The letter Mary had looked forward to ____her last night and she was very excited．
| A．reached | B．reaching ’ | C．had reached | D．has reached |