—Where is your mother，Tom?—She _________________the dishes in the kitchen.

These boxes ______ for keeping the food clean and cool.

---- Have you heard of Steven Jobs, the co-founder and CEO of Apple? ---- Yes, but it’s a pity that he has _____ for a half year..

At last our head teacher ______ who broke the window of the classroom.

—What is Lucy doing now?—She _____ a book.