Potrzebuje pomoc z gramatyką,

1. George was so tired and thirsty that he ........................... on the sand.
a) colapsed b) had collapsed c) collapsed d) was collapsed e) was collapsing

2. This villa must be worth millions, ................ it?
a) can't b) mustn't c) doesn't d) does e) can

3. Jessica is red because she ....................... in the sun all afternoon.
a) was lying b) lies c) had been lying d) mustn't e) has been lying

Dziękuje za pomoc!