1.Have you confirmed it came from the       (大陆)? 
答案:mainland
2.Please hang your coat up on the h      . 
答案:hook
3.It is a pity that he failed to s       the good chance. 
答案:seize
4.The little boy likes playing with a little       (乌龟). 
答案:tortoise
5.On b       of the department I would like to thank you all. 
答案:behalf