After describing the planned improvements, she went on _______ how much they would cost.
| A．to explain | B．explaining |
| C．to be explaining | D．having explained |
––– I felt left out at the party last night.
––– Really? ____, you should have said something.
| A．If possible | B．If so | C．If necessary | D．If any |
Where were you at supper time? I ____ for you to join me.
| A．waited | B．had waited | C．have been waiting | D．was waiting |
––– I promise my daughter ____ get a nice present on her birthday.
––– I think it will be a big surprise to her.
| A．must | B．shall | C．might | D．need |
––– Could I use your phone for a moment?
––– ______. Help yourself.
| A．Take your time | B．Forget it |
| C．By all means | D．Never mind |
What we want is an environmentally friendly car, especially ____ is good on gas.
| A．one | B．one which | C．which | D．one that |