It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.

Shanghai is so full of_______, it seems as if things never stop.

The children have been playing with my hat ---they’ve knocked it out of _____. 

Your as a student will be excellent if you develop a habit of reflecting on how you learn.

I like the sofa we’ve found in the shop. In my opinion, it is a perfect ________ for the furniture (家具) in our sitting room.