钱伟长先生曾经说过:“天下没有别的国家的文字3000年以后还能看得懂,汉字可以。”这说明( )
____careful we are, _____mistakes we will make.
To his ______, he didn’t get _____ trouble.
There is ___________hot water in the cup.
If Nancy _______the exam, she will go to Australia for English study.
__________ more vegetables is good for our health.