词汇（共15小题，每空1分，计15分）
He often spends a lot of time           (explain)thing to he students.
He is a top student,but he never shows                (he)off.
Blue can also represents                 (sad).
He promises         (help)me          (success)pass the exam.
He often tells us jokes. We all think he is a _________________ ( humour) person.
All people in the world love                (peaceful).
How            (excite)  he was to get high marks!
She  is  an             (active) person . She likes to stay alone.
Tom tries his best to do everything                (different).
They have some difficulty making a            (decide).
Now, people would like to buy beautiful flats outside the city to live______(comfortable)
—Hi, Lily. I didn’t see you at the party.
—Oh, I ________ for the history exam.  (prepare)
I won’t go to the party if I______________ (not invite).
The story was funny enough____________ ( make) all of us laugh.