按要求改写下列句子,每词一空.

1。Mr Yang paid 2,000 yuan for the watch。(改为同义句）Mr Yang __bought___ the watch ___for___ 2,000 yuan。2。San 's uncle is a cook in the restaurant。(改为同义句）San' s uncle _works___ _as__ a cook in the restaurant。3。What were you doing when the robbery happened?(改为同义句）What were you doing __at__ ___the_ _time__ __of__ the robbery?请您点击下面的“选为满意答案”按钮,