Can I say,<br/><br/>(a) The girls served some cookies to / for the man.<br/><br/>(2) The cobbler is making / doing a pair of shoes.<br/><br/>(3) Mr Tan is teaching his son to cycle / how to cycle.<br/><br/>(4) He is walking with his dog in the park.<br/><br/>(5) The village was hit by a flood.<br/><br/>(6) She likes to eat salad.<br/><br/>(7) He picked / picked up a handkerchief from / on the floor. <br/><br/>(8) The Arabians travel on camels in desert / in the desert.<br/><br/>(9) He dropped his wallet on the floor.<br/><br/>(10) He is playing a game of chess with his father.<br/><br/>(11) The teacher is teaching a boy piano.