I hear more high speed railways will be built around whole China ________ a few years.— That sounds great. It’ll be more convenient and faster for us to go out.

They arrived_____Shanghai__________a cold morning.

Are you good at either math ________ physics?— I’m not good at math, ________ do I do well in physics.[ ]

l be a big help if you go to thestore and get what we need for dinner. ___________, I will set the table.

ny countries are increasing theiruse of natural gas, wind and other forms of ______