The editor-in-chief asked me towrite another article for them， abouthow to prevent bird flu.

What a traffic jam! I’m going to be late again.—Yes. The traffic now is than it used to be.

Only when class began ______that he had left his book at home．

We early to avoid the traffic，and it took us only half an hour to get here．

President Trump announced that the United States would ________ from the Paris Climate Agreement, which would possibly weaken efforts to fight global warming.