选词填空

interact with, do a double take, deduce from, give away, keep an eye on, base on, save...from

【小题1】A stranger _______ at a beggar, who was wandering on the street and convinced that the beggar was his missing friend.
【小题2】_______ the survey, the report is of great value.
【小题3】The government tried to _______ the troop _______ defending(防守), but failed.
【小题4】What conclusion can you draw from the matter? What we _______ it is that we should cherish our precious time.
【小题5】The expert stressed that teachers should have a limited amount of time _______ each child.
【小题6】The scientist _______ what he was searching for, and sometimes he even forgot his dinners.
【小题7】He _______ most of his money to the charity.