_______ that all the doors and windows are locked before you leave the house!
–Didn’t you take part in the charity walk? --_____________. I really learned a lot.
–Who’s the lady ________in red? --I guess she is Miss Li by what she.
Excuse me,could you tell me how long___________ the book?
My father __________Shanghai for years, he will be back in two months.
The little boy is crazy about cartoon books, but he ______one.