5 . It is the first time that she ( give ) _______ a speech in public.
6 . By the end of last year, we ( finish ) _______ the task.
7 . It was the first time that he ( meet ) _______such a complicated problem.
8 . The workers ( build ) _______ the subway by next year.
9 . The harder you study, the ( good ) _______ grades you will get.
10 . What you have done is ( valuable ) _______ than what you have said.