be silly to do还是be silly doing

be silly to do还是be silly doing be silly to do sth.= It's silly of sb.to do sth.还要例句的 Do not be silly silly silly you let`s be forever Do be careful in the exam and try to avoid silly mistakes.为什么用do be do,not,silly,be,it's,far,here,from,too连词成句 是be reluctant to do还是be reluctantly to do? be better do还是be better to do be made to do 正确还是be make do正确 be kind to do sth还是be kind to sb? be willing to do还是be willing to doing be equal to do还是be equal to doing Don’t be silly和Do you understand是什么意思 what it's like to do /be ... be addicted to do还是doing? 英语be going to do还是doing be worth to do 还是doing be suppose to do sth还是supposed