Excuse me, have you seen _______ umbrella here?— Yes. Is it _______ beautiful blue one? I saw it here just now.
Jim arrives ______ London ______ the afternoon of December 5th .[ ]
There are 60 students in my class and 44 of them use weibo veryoften.—44? That means about_______of your classmates are weibo users, right?
There were different kinds of dinosaurs in the word in the past.
I lost my friend’s bike, and I really don’t know ________.