. According to some doctors, one of the ways to prevent us from growing old is to make sure that our brains get enough___.
— May I use your bike? I’ll have to fetch my book home. — It’s over there..
It’s your own business. If you don’t attach importance to it, who else ?
Jack not to do that, he wouldn’t have made such a serious mistake.
________had never occurred to me ________Mike should win the match.
We are sure to get out oftrouble, unless we loseheart.