You must be tired now. Why not ________ to have a rest?

Many ______ Chinese cultural relics, which have been lost over ______ last century, have started to return home.

What about going by plane? —Good idea! I feel really_______ because it’s the first time for me to take a plane!

Tom bought this radio ____￡150. [ ]

Excuse ______. Is this ______ book?—Yes, thanks.