Antarctic __________ we know very little is covered withthick ice all the year round.
| A．in which | B．where | C．that | D．about which |
______ what your families said just now, I think, and you will make your own decision.
| A．Consider | B．Considering | C．To consider | D．Considered |
Chinese government should ______ taking action at once to defend the Diaoyu Islands.
| A．set about | B．set off | C．set out | D．set down |
______ watched the 2012 London Olympic Games agreed that some Chinese athletes performed perfectly, such as Sun Yang and Ye Shiwen.
| A．Anyone | B．Whichever | C．Whoever | D．Whatever |
China ______ a lot of people moving to urban areas in the last 20 years. However, many migrants left their families behind.
| A．saw | B．sees | C．has seen | D．had seen |
The newcomer is really quite ______ to office work. Why not offer her some practical tips?
| A．familiar | B．fresh | C．similar | D．sensitive |