1 The couple _________ next to us have sixteen grandchildren. * a living b who living c who lives d lived 2 He felt very happy after he finished his final _________. * a perform b performative c performer d performance 3 The picture ___________is very strange. * a at which she is looking at b at that she is looking c at which she is looking d which she is looking at it 4 The girl _________was very useful. * a which I talked to yesterday b who I talked yesterday c to that I talked d to whom I talked yesterday 5 Human beings are responsible _________ the pollution. * a with b for c on d of 6 The traffic here is very __________ for children. * a danger b dangerous c endanger d endangered 7 That post office, _______ we thought about last week, is not far from here. * a whom b which c who d that