______ the project in time, the staff have been working at weekends since last summer.

       form the moon, our earth with water        .seventy percent of its surface, appears as a blue ball.

___ to get a ticket for the 2006 FIFA World Cup, George has been standing in a queue for two days. 

 Though they had a meeting yesterday, there is still much that remains______.

When asked why he went there, he said he was sent there ________ for a space flight.