根据中文提示完成句子（共5题，每题2分，满分10分）
小题1:________________________（没道理）to buy such an expensive mobile phone for the pupil.
小题2:___________________（每次）I listen to this song, I’ll recall the happy time we have spent together.
小题3:It’s you, not your husband, who _____________________（由于…应受责备）the spoiled child.
小题4:（我们上网查资料是很方便的）_________________________to search for information on line.
小题5:只有这样做你才能摆脱那些坏习惯。
Only _______________________________________ from these bad habits.