The building has ______ floors and our classroom is on the ______ floor.
| A．four; four | B．fourth; fourth |
| C．fourth; four | D．four; fourth |
Go straight until you see a museum ______ your left.
| A．with | B．at | C．on | D．from |
______ clean the classroom is! Who cleaned it?01
| A．How a | B．What a | C．What | D．How |
There are many ways ______ the festival. Which one do you like?
| A．celebrate | B．to celebrate |
| C．celebrating | D．to celebrating |
We don’t know her. She is a ______ to us.
| A．relative | B．stranger |
| C．sister | D．classmate |