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
In the countryside, ____car is not yet ____popular means for transportation．
A．/; a B．a; the C．the; / D．the; a
