After studying mass of data，they drew a conclusion________China is still a developing country

_______ it is to go for a camp on such a fine day!

I prefer ________ at home rather than_________ out for a picnic on a rainy day.

It sounds like something is wrong with the car’s engine. ____, we’d better take it to the garageimmediately. [ ]

The famous deaf dancer think that dancing is an activity ________ sight matters more than hearing.