71- How much have you …….…? - I've painted three doors and five windows.
a)gained b) counted c) achieved d) made
72-It is important that scientists……the causes of serious diseases
a) research b) avoid c)specialize d) improve
73-The road is good , but narrow. I wish it …………. A little wider
a) had b)had been c)were d) is
74- He stopped ………the lift. He walks up the stairs
a) taking b) to take c) takes d)to taking
75-I prefer ……………my fish fried next time
a) to having b) I have c) to have d) I'll have