In order not to be disturbed, I spend three days _______ in my study.

__________ in central Shanxi Province, Pingyao is famous for its ancient city walls and its architecture which date from the Ming Dynasty. 

There are many talented actors out there just waiting _______.

 ________energy, we turn off the lights for Earth Hour on the last Saturday in March

.The poor condition of the Acropolis set the Greek government ______into consideration the preservation of it.