根据句子意思，用所给单词的适当形式填空。
小题1:The ____________(high) of the new building is over 400 meters.
小题2:On Christmas Eve, the Santa Claus hides gifts _____________ (secret) into kids' stockings.
小题3:— How many times should I take the pills, doctor?
— ___________ (two) a day, please.
小题4:— Shall we meet at 9:00 at the school gate tomorrow morning?
— I hope we can make it ___________ (early). What about 8:30?
小题5:Mr. Li's report gave us a deep _____________ (impress) .
小题6:Remember __________ (turn) off the lights when you leave the room, please.
小题7:The film was __________ (base) on Chinese history in the 1940's.
小题8:Look! Can you see a kite _____________ (fly) in the sky?
小题9:The boy is a good swimmer. He can swim ____________ (cross) the wide river.
小题10:Many students find it ____________ (bore) to play computer games all day.
小题1:height
小题2:secretly
小题3:Twice
小题4:earlier
小题5:impression
小题6:to turn
小题7:based
小题8:flying
小题9:across
小题10:boring
小题1:指高度，用名词形式。
小题2:修饰动词hides，用副词形式。
小题3:指次数。
小题4:时间提早了，用比较级。
小题5:give sb sth结构，a deep修饰后面的名词。
小题6:remember to do sth“记得做某事”。
小题7:be based on“以……为基础；以……为依据”。
小题8:see…doing sth“看见…正在做某事”
小题9:此处使用介词。cross是动词；across是介词。
小题10:“…find it +形容词+to do sth”，用做形容词，指的是做某事无聊，用boring。