If you go to visit London, don’t forget your_________ because it rains a lot.

Bring the flowers into a warm room ________ they’ll soon open

Is this ______ ruler —No. _______ is over there.

Have your read the article A Dirty Beijing, which is about air pollution?—YesIt’s highly informativeI _____no idea that the PM2.5 there sometimes reached 300

I guess Tom and his sister Celia enjoyed at the party.