(1)It is+形容詞+to do It would be+形容詞+to do 以上兩組句型有什么區別?(2)make sure和be sure有什么區別?(3)help onself to是什么意思?

熱心網友

help oneself to是隨便做什么的意思。比如:can you lend me a pen?回答可以是help yourself.make sure后面可以跟to do或that從句。比如:Make sure that you close the windows.