He argued _______ smoking, and insisted that it was ________ argument that smoking was harmful to health.

I can’t find my dictionary. May I use ______? –Sure. Here you are.

The first thing ______my brother is going to do this afternoon is to write a letter.

Have you ever seen a panda , Linda?—Yes , I just saw _________at the zoo last Sunday .

_________people attended the meeting last Saturday.