We ________ have bought so much food now that Suzie won't be with us for dinner.(2012·江西)

From his         voice on the phone, I know everything is going under way.

The form cannot be signed by anyone       yourself.

(2013·安徽省芜湖三校一模)If you don't take time to review each interview you go on, you're bound to ________ the same mistakes.

There are a number of methods to provide           relief from your toothache, which can’t cure the problem.