题目

用方框中所给单词或短语完成下列句子，使句子通顺、正确 in fact, leg, arm in arm, rude, close to 【1】We can see some girl students walk ______with each other on the road.【2】—You must be excited about staying in France now, Steve!—No, ______ I'm a little nervous.【3】In the zoo, don't get ______some animals because they are very dangerous.【4】It's ______to talk loudly on the phone in public places.【5】The runner hurt his left ______ in the match but he still tried to complete the match.一个杯子向一个空瓶里倒水．如果倒进3杯水，连瓶共重360克；如果倒进7杯水，连瓶共重680克．算一算，一杯水和一个空瓶各重多少克？