You must have enjoyed using your new camera on the trip to Tibet. —– I would have, but I _____ it in David’s car when he drove me to the airport.

Would you mind me how this math problem

l be a big help if you go to thestore and get what we need for dinner. ___________, I will set the table.

Do you know where my blue coat is ?—Don’t bother to look for it. I’m sure it will________ some day.

_____ work has been done to improve our living environment.