I wonder whether the soldier is one of those who _______ abroad to keep peace.
| A．has been sent | B．have been sent | C．have sent | D．has sent |
I'm so busy that I can't ______ the time for a holiday at present.
| A．spare | B．share | C．spend | D．take |
——How much is it ______? ——$ 20, I think.
| A．spent | B．cost | C．worth | D．taken |
The meeting was _______. Many people were for our plan.
| A．a success | B．success | C．succeed | D．failure |
Many facts proved that long before Columbus ________ America, Chinese had visited it.
| A．noticed | B．uncovered | C．discovered | D．arrived |
Tom is good boy and _______ he is honest. He never tells a lie.
| A．at all | B．in all | C．above all | D．after all |