This was ____ anyone had previously sailed alone.
| A．twice the distance | B．more than twice |
| C．as twice as distant | D．twice what |
There was a tree in front of the house, ___ owner was seen sitting under it, enjoying the shade.
| A．whose | B．where | C．which | D．that |
Studies show that daydreaming contributes significantly to concentration powers and the ability _____ with others.
| A．communicating | B．to be communicated |
| C．to communicate | D．to communicating |
______ send officials abroad for training, I think it is better for the government to directly admit people who have studied and worked overseas.
| A．Other than | B．Rather than | C．Less than | D．More than |
The maker of the popular game Angry Birds announced on Tuesday that it would open its first overseas operation in Shanghai, _____ a clear step to further enter the booming Chinese market.
| A．to mark | B．marking | C．marked | D．having marked |
—Jack, this is the third time that you have been late this week.
—Sorry, sir, but I was ____ for 15 minutes on the way here in the traffic jam.
| A．held up | B．put up | C．taken up | D．given up |