(改为同义句) Is there a girl here with the name of Mary?

　　Is there a girl here ________ Mary?

(改为同义句) It took him two hours to mend the bike．

　　He ____ two hours ______ the bike．

（用 although 或 unless 将句子的两部分连接起来） you can't open the box／you have a knife

（用 although 或 unless 将句子的两部分连接起来） he has been in America for 6 years／he still misses his hometown

（用 although 或 unless 将句子的两部分连接起来） She won't tell others your secret／you permit her to do so

（用 although 或 unless 将句子的两部分连接起来） we didn't win the football match／we tried our best

（用 although 或 unless 将下面的两部分连接起来） you will not pass the exam／you work hard

（用 although 或 unless 将句子的两部分连接起来） he was ill／he went to school on time

(用所给词的适当形式填空) Please tell us of your ______ (experience) in Africa．

(用所给词的适当形式填空) On May Day the factory was decorated in ______ (amaze) colours．