—Whose schoolbag is this?—It ___________ be Mary’s. It has her name on it.

He bought another new car. He _____ a lot of money.

I ________worry about my weekend—I always have my plans ready before it comes.

A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.

— I’m a little tired. Let’s go to the zoo by taxi.  —We ________take a taxi. It’s not far from here.