---Dad,when will you be free? You agreed to go to the seaside with me four days ago.---I’m sorry,Jack. But I think I will have a ______holiday soon.
My sister told me _________ to the movie theatre.
I did my homework ______________;
It’s the best way English.
The room is _____with lots of people.
—How about the pollution in the countryside? —Luckily, it's not as serious as _______ in the big cities.