——Can I eat the cake,Mum?——Yes,you can._________you must wash your hands first.
We all felt so ________ when we heard the ________ news..
________ weather! We can’t go to the park this afternoon.
--________ was the T-shirt made? --It was made in China.
It’s really ______ that a tortoise can ______ 150 years old.
There is a cover ______ the object.