1.You could start a Chinese History Club.（改为同义句）
You could ______ ______ Chinese History Club.
应该用 establish 或 set up 改写.但我不知道用establish a 还是 set up.
2.He's busy today,because he has 20 bikes ______ （fix）up.
是现在完成时呢,还是不定式呢