.－Did you have a good sleep last night?－Yes, never sleep ____．

—Would you like _______ , sir?    —No, thanks. I have had much.

Milu deer，which used to be ______ in China long ago，is a rare animal nowadays.

The listeners were much        than hoped. There were so many tickets left.

Can you tell the ________ difference between the words “require” and “request”? I sometimes get puzzled by their meanings.