根据本单元所学知识完成句子。
多做运动会保持健康。
Doing more exercise will ________ us ________．
父母的一句话会对孩子产生很大的影响。
A word from the parents will ________ ________ ________ ________ the children．
爸爸说他无法戒烟，因为他已经完全上瘾了。
Father said that he was unable to give up smoking because he ________ completely ________ ________ it．
我不但会说英语和法语，还会说德语。
I can speak Germany ________ ________ ________ English and French．
用适当的副词或介词填空。
I usually hear ________ my brother twice a month．
The water in the well is not fit ________ drinking．
The house shook and a few pictures fell ________ the wall, but that was all．
The price of petrol has gone ________ ________ 20％ since the beginning of this year．
He often says some bad things about others, so I am fed ________ ________ what he says．
________ the first time ________ my life, I saw such a huge snake．