— did the cartoon book cost you?—Five dollars.
-Here is a schoolbag. Whose is it?-Oh, it’s __________. Thank you.A. my B. mine C. me
There is no living thing on __________moon.A. the B. a C. 不填
— You have never seen the dinosaur eggs, have you?—________. How I wish to visit the Dinosaur World.
—Listen! Is that Millie singing?—No. It _____ be Millie. She has gone to Beijing.
— I don’t know ________ to deal with this problem.— Why not ask your teacher for help.