When i woke up at four in the morning, i could hear my a) to cough b) cough c) coughing d) coughed when she looked out of the window she saw aa on the bench. a) to sit b) sit c) sitting d) be sitting can you hear two anargument. a) have b) having c) to have d) are having i've never seen as little as you do. a) eat b)to eat c) in eating d) eating when he entered the office he watshed the on the phone. a) in talking b) to talk c) talk d) talking it is clear that they haven't heard . a) coming b) to come c) come d) on coming when she saw along the street, she came up to me. a) go b) going c) while going d) to go
