A high official from the central government will come and explain ______ what the country has done to ensure to make the Football World Cup the best-ever game.
| A．in length | B．at length | C．by length | D．to length |
He has difficulty in remembering lines，buthe is a good actor
| A．in addition | B．all in all | C．as a result | D．at most |
In after-school activities,students areinto different groups accirdubg to their interests．
| A．In addition | B．provided | C．collected | D．appointed |
—Why didn’t you attend his wedding ceremony?
一Well …，I．
| A．wasn’t invited | B．haven’t been invited |
| C．hadn’t invited | D．haven’t been inviting |
It was because of hard trainingthe sportsman won the gold medal in the competition．
| A．how | B．that | C．why | D．which |
People demanded that the governmentto bring down the housing price
| A．take action | B．took action |
| C．must take action | D．would take action |