| A．either | B．also | C．as well |
| A．to go | B．going | C．go |
| A．want; want | B．wanted; wants | C．want; wants |
| A．Thanks. Let me have a look. | B．Let's go to the library. | C．Here it is! |
| A．Yes, we do. | B．You're wrong. | C．That's a good idea. |
| A．They're interesting. | B．They're on Shelf. | C．They're about maths. |
| about, for, to, in, on |
| A．Where | B．What | C．Why |
| A．buy | B．bought | C．buying |
| A．on Shelf C | B．in Shelf C | C．at Shelf C |
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