With 4G mobile phones, people can even see each other as they talk. —-Really? Would you show me it, please?

To understand the complex situation completely requires more thought than ________ so far.

I borrow your camera? I want to take some photos. —Sure, here you are.

There aren’t enough chairs. Would you please _________ ones here?

Heilongjiang is the northeast of China,and north of Jilin. [ ]