When I woke up at four in the morning, I could

When I woke up at four in the morning, I could hear my mother.... a) to cough b) cough c) coughing d) coughed When she looked out of the window she saw aa stranger... on the bench. a) to sit b) sit c) sitting d) be sitting Can you hear two men... anargument. a) have b) having c) to have d) are having I39;ve never seen anyone... as little as you do. a) eat b)to eat c) in eating d) eating When he entered the office he watshed the secretary... on the phone. a) in talking b) to talk c) talk d) talking It is clear that they haven39;t heard me....in. a) coming b) to come c) come d) on coming When she saw me... along the street, she came up to me. a) go b) going c) while going d) to go