The sudden of the headmaster gave the children who were talking loudly in the classroom a great surprise.
| A．entrance | B．entry | C．absence | D．trial |
This football player was accused of taking money for not scoring goals ______.
| A．by chance | B．on end | C．in turn | D．on purpose |
It is not how much money you will give us but that you are present at the ceremony ______ really matters.
| A．which | B．it | C．what | D．that |
--- How did you like the concert last night?
--- I enjoyed it very much, but the dancers ______ a better job.
| A．could have done | B．couldn’t have done | C．could do | D．had done |
Criticized as online games are, they never fail to ______ a large number of teenagers．
| A．appeal to | B．object to | C．refer to | D．turn to |
---When shall we start the reconstruction of the historic building?
--- Not until our program ______ by the authority.
| A．will approve | B．will be approved |
| C．has approved | D．has been approved |