| A．How many countries are there? |
| B．How many member states are there in the UN? |
| A．I want to take a photo. |
| B．I want a photo. |
| A．This is a big building. |
| B．What a big building! |
| A．There are flags from all around the world. |
| B．There are so many countries. |
| A．build | B．builds | C．building |
| A．want | B．wanted | C．want to |
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