---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
The story of Tom Sawyer ______ in Missouri, America, in the 19th century.
—What do you think of these two books? —______ of them are interesting.And I’ve read them several times.
—Who is the boy over there? —It’s ______ brother.
We all like Wang Ling because he is always ______ us , and he is very helpful . A. friendly toB. angry withC. mad at.
My sister Julia would rather _____ newspaper than watch TV on Sundays. A. readingB. readsC. read.