In the Great Depression, the American government couldn’t find good solutions _____ the unemployment problem

So far，only one man has ________ a theory that seems to fit all the facts．

Li Hua’s shoes are as_________ as Li Hui’s.

I visited many places including the History Museum last Saturday. When I _______ at the hotel, it was very late.

What has made Mary so_____? —– Losing her new bicycle.