问一个英语句子句型,是并列宾语从句还是什么?
问一个英语句子句型,是并列宾语从句还是什么?
Since food is vital ,we need to know the nutritive content of foods,which ones are the best sources of the various nutrients,and how to combine them into a healthful diet.该句中 how to combine them into a healthful diet是不是宾语从句?如果是宾语从句的话,那how to是做宾语中的什么的?