-- How’s your tour around the North Lake? Is it beautiful? --- It ________ be, but it is now heavily polluted (污染).
––– I felt left out at the party last night.––– Really? ____, you should have said something.
Where were you at supper time? I ____ for you to join me.
––– I promise my daughter ____ get a nice present on her birthday.––– I think it will be a big surprise to her.
––– Could I use your phone for a moment?––– ______. Help yourself.
What we want is an environmentally friendly car, especially ____ is good on gas.