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.