The best times to visit Shangri-la are spring and autumn ____ the temperature is at its mildest.
After the violent earthquake, Japan has been still in ______ trouble and the whole world seems to be at ______ end.
---- Which one of these do you want?---- Either will do .
Although the necklace is made of glass, it really _________ me.
One of the first foreign expeditions _______ Mount Qomolangma arrived in Tibet in 1921.
________ at the city centre, the old temple has a history of more than 500 years.