1)we saw the man ... the house . a)enter b)entered c)to enter 2)i had the piano..... a)to tune b)tuned c)tune 3)i'm grateful to him for his .... a)advices b)advises c)advice 4)i'll phone you as soon as i .... Irom Mike . a)'ll hear b)'ve heard c)heard

1) a)enter

2) a)to tune 

3) c)advice 

4) c)heard (или b, точно не знаю)