People in Yancheng are proud of ________ they have achieved in the past thirty years.

Our teacher asks us _______ soccer on the road. It’s dangerous.

How about camping this weekend, just for a change?— OK, ________ you want. [ ]

Not until the early years of the 19thcentury______ what heat is.

It’s reported that a light rail from Nanjing to Lishui by the end of 2015.