—I finished all my work today．
—If____, you can help others with their work．
A．so B．not C．possible D．ever
—Remember the first time we met?
—Sure．You ____in the supermarket．
A．shopped B．have shopped C．had shopped D．were shopping
I would rather you ____with us yesterday, but you left．
A．had stayed? B．stay C．stayed D．have stayed
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
