--- Red-crowned cranes need more people’s help.
---Yes. People working in the reserves are doing everything they can ____these birds.
| A．save | B．saving |
| C．to save | D．to saving |
--- How many students are there in your classroom now?
--- There aren’t ______.
| A．some | B．ones | C．any | D．one |
--- _____ the dining hall? --- It’s behind the red building.
| A．Where’s | B．What’s |
| C．Who’s | D．How’s |
---_____are you? ---I am twelve.
| A．What | B．Where | C．How old | D．How |
This is my grandmother, _____sixty．
| A．She’s | B．They’re | C．He’s | D．It’s |
John is from America and he has got ______uncle.
| A．a | B．the | C．an， | D．/ |