On Oct. 29, the famous Chinese pianist Lang Lang was named as United Nations Messenger of Peace, ________ means he will help promote(促进) global education. 

 Many grocery stores use misting, a process ________ vegetables are sprayed with water, to keep vegetable fresh.

I saw a boy in the supermarket yesterday,         reminded me of my good friend.

A lot of language learning ,_______has been discovered, is happening in the first year of life, so parents should talk much to their children during that period .

In our class there are 46 students,     half wear glasses.