Điền 1 giới từ thích hợp vào chỗ trống để hoàn thành những câu sau:
1. The magazine are ............ the shelves .......... the right.
2. Those books ............ the back .............. the library are ............. English.
3. When I go to the library, I sit and read .......... wonderful things.
4. The science books are ............. the rack ........... the corner of the room.
5. It's easy to find a book ............. the title.
6. These cards are in alphabetical order and ............. author.