The research is so designed that once _____ nothing can be done to change it.
| A．begins | B．having begun | C．beginning | D．begun |
The children were required to wear new school clothes, but Kim couldn’t afford .
| A．one | B．some | C．any | D．that |
_____news that the national football team was disqualified for the next World Cup finals came as no___ surprise at dll .
| A．/；a | B．The; / | C．A; a | D．The; a |
Henry had just given himself for lost ______ he was spotted by a ship.
| A．when | B．while | C．as | D．after |
—Could I use your bike?
—Yes, surely you ______.
| A．might | B．will | C．can | D．should |
He couldn’t ______ the fact that the money was found in his house.
| A．answer for | B．leave for | C．account for | D．care for |