lose heart You should believe the harder you study,____________

People were ______ to see the teachers put on the play in such a professional way. [ ]

What do you think we can do for our aged parents?—You___do anything except to be with them and be yourself.

His writing is so confusing that it’s difficult to make out ________ it is he is trying to express.(2011·安徽)

is of no importance to great thoughts, ________ are as fresh today as when they first passed through their authors’ minds, ages ago