--Would you please tell me________this DV?--Yes.It’s very easy.
Linda is my cousin. She likes playing _______, but I like playing _______.
There is_______ "s" and_______ "u" in the word "sun".
--What day is it today?
How much time did you spend the new words in Unit 10?
Since June 1 2008,all the markets have_________free plastic bags.