Stop smoking, Joe! You _____ yourself if you keep on doing it like that!
| A．will kill | B．have killed |
| C．kill | D．killed |
Look at those_____. They are my sister's.
A. photoes B. photos C. photo
—Where is your key?
—___________.
A. Yes, it is
B. They are here
C. It's in the drawer.
The apples are _____ the tree, and the birds are _____ the tree.
A. in; on B. on; in C. in; in
Call Mary____ 333-6241,
A. at B. to C. in
____ do you spell "photo"?
A. What B. How C. Who