【选修3-5选做题】 镭（Ra）是历史上第一个被分离出来的放射性元素，已知能自发

用括号内所给的单词，根据句意用其适当形式填空（10分）

comfort  buy   your    be    rain   least    build   go  fortieth  miss

小题1:Tomorrow will be my father’s __________ birthday.
小题2:Don’t go out. It  ___________ outside now.
小题3:This sofa is very __________ to sit on.
小题4:----Today is hot. Why not ___________ swimming!
----That’s a good idea.
小题5:Millie and Simon live in the same _____________ .
小题6:Helen often ____________ the early bus. So he is often late for school
小题7:My answers are different from ___________.
小题8:Outside the garden there ____________ a bus stop and many tall buildings.
小题9:At ___________ thirty students go to school by bus in my class.
小题10:You can ___________ a lot of souvenirs here.