There is _____ evidence that cars have a harmful effect on the environment.

When we were young, every evening my sister and I _____ stay at home doing homework.[ ]

I want to go shopping ______ some new clothes for my cousin.

There is somebody knocking at the door. Who________it be?—I’m not sure. It ________ be a postman.

— How about my fish— _____ Cooking is really your field