— How’s your tour around the North Lake? Is it beautiful?— It ______ be, but it is now heavily polluted.

---Lucy doesn’t mind lending you her dictionary.---I think she doesn’t, but I ________do so. I’ve already borrowed one.

—Oh, my God！Our teacher is so mean!—Calm down, my friend.Even though she is tough  sometimes, she ________ be nice if you really work hard.

–Hey! Any idea about learning abroad? --You _____google the College Board to learn the names of college you ____ be interested in

—Look at the young lady in red. Is it Mrs. King?—No, It ________ be her. She is wearing a white dress today.