根据下列句子及所给单词的首字母，在答题卷上按题号写出各单词的完全形式（每空限填一词）。
小题1: It’s not polite to touch others’ things w________ asking.
小题2:You won’t pass the exam u_______ you work harder.
小题3:Don’t be so u_________ .We can help you. It’s just a piece of cake.
小题4:Can you o__________ the party games?
小题5:Thank you for your i__________. I’ll come on time.
小题6:In English, we say s_________ a problem is like cutting it in half.
小题7:I phoned the restaurant to see if there were any boxes a________.
小题8:It’s n__________ for us to exercise an hour every day.
小题9:Come in and sit sown. Help y_________ to some oranges, children.
小题10:The e__________ is getting worse and worse. We must plant more trees to make it more beautiful and healthier.