1.you can't understand those things because you are too young
-> you aren't............................................................................
2. not enough money is spent on cancer reseach, so a cure has not been found
-> a cure would....................................................................................................
3. " I'll finish the work by the end of this week", he said
-> he promised..............................................................................................
4. has anyboy shown you what to do?
-> have.......................................................................
5. in the middle of our lunch there was a knock at the door
->when we............................................................................................
6. although she lived in difficult conditions, she worked very hard
-> in spite of...........................................................................................
7. the bus driver cannot be blamed for the accient in any way
-> in................................................................................................
8. a house in the city is too expensive for the man to buy
-> the man doesn't...................................................................
