The novel was completed in 1978， the economic system has seen great changes．
| A．when | B．during which | C．since then | D．since when |
The news that Shenzhou VII returned to the earth successfully _____ throughout the country．
| A．stretched | B．expanded | C．extended | D．spread |
With so much noise of the traffic, I couldn’t ______ and do my research work．
| A．put down | B．settle down | C．break down | D．take down |
On this important feast day, people eat food in the ______ of skulls and cakes with “bones” on them．
| A．form | B．shape | C．way | D．light |
While in university, we were offered a number of afterschool activities to _____ our social skills．
| A．create | B．grow | C．develop | D．settle |
The top leaders of the two countries are holding talks in a friendly ________．
| A．situation | B．atmosphere | C．state | D．phenomenon |