Mar Levine, ____ scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like ____ balloon.
Welcome to visit our company whenever ________.
My parents don’t mind what job I do I am happy.
_________ and I’ll get the work finished .
— Why did you stop writing, Tom?— My ink has _______.
My brother bought a teapot ________ like a Chinese duck, the price of which was much lower than expected.