---Do you know __________?---Sure, it’s a mouse.
--- Alice had nothing for breakfast this morning ,____ ? --- No, she got up too late.
You _______ go far if you need help with your homework.
---_______ he _______ from Beijing? --No, he _______.
The students hardly have any spare time for their hobbies, ________?
--- What do you think of the fish? --- It looks __________,but tastes__________.