They will be back home
_______the cost ,the project will take a lot of time as well .
These professors had interrupted their own research to accept an invitation to _______in an unusual experiment .
I really don’t know why he hates everything we _______.
---Good news .Jack ,I’ve got promoted . ----You _____it .Your abilities and hard work paid .
I bought a dress for only 10 dollars in a sale ;it was a real _______.