在下列各句的空白处填入一个最恰当的单词,使句子意思完整,语法正确。(5分)
26.一What ___________ do they speak? 一They speak Japanese.
27.Peter works in a big restaurant.He is a__________.
28.He doesn’t want to be a policeman,because it’s very _________.
29.Thanks a lot ___________ giving us so many books and nice toys.
30.There are a lot of beautiful __________ in Hawaii(夏威夷)in the US