There are many books in the bag.(many画线部份提问)

问题描述:

There are many books in the bag.(many画线部份提问)

How many books are there in the bag ?

many 属于带有量词意思的副词.若只对many划线提问,其实不是很妥当,勉强可以用How many books are there in the bag?提问.
若对many books划线,就很明朗了,提问是what's in the bag?