1. — __________ the science lab?

—It’s behind the library.

A. How’s                  B. When’s                       C. Where’s                     D. What’s

2. There is a picture __________ Lucy’s family __________ the wall.

 A. of; on                  B. at; in                     C. of; in                          D. at; on

3. On her desk __________ some books and pens.

A. there is                 B. has                        C. there are                     D. have

4. Are there __________ apples on the desk?