bookshop是单词还是词组（shop是几年级学的单词）

Bookshop因为是一个单词，是一个合成单词，所以不是词组，但是像Shoe shop.Clothing shop.Fruit shop等等，这些就是词组了，例如There is a book shop on bridge street.在大桥路上有一个书店，Where did you buy this t shirt?I Bought it at the clothing shop across from the road，你在哪里买的这件T恤衫？

我在马路对面的服装店买的