将下列句子译成英语，并将所译句子写在答题卡标有题号的横线上。

小题1:It’s dangerous to leave a child/children alone at home.

小题2:The dancer is always worrying about getting fat.

小题3:Telling lies can make things worse.

小题4:When we have difficulties with our study, Mr. Wu is always ready to help us.

小题5:I don’t think teenagers should be allowed to stay out late.