Low-carbon life is of great benefit to improve the world environment. _____ can be enjoyed from it until you have a deep understanding of it, though.

Would you like _______ to drink?

Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.

----Have you seen Tom and Mary?----I haven’t seen____ of them. 

--- What do you think of these dictionaries?--- Most of them are updated. Still, ______ is so suitable for high school students as Multifunction English – Chinese Dictionary.