| A．the cities | B．the big cities |
| C．the biggest | D．the biggest cities |
| A．the | B．a | C．an | D．/ |
| A．or | B．after | C．if | D．with |
| A．long | B．far | C．tall | D．old |
| A．some; any | B．any; some |
| C．any; any | D．no; some |
| A．twelve; thirty-one | B．eight; thirty-one |
| C．seven; thirty | D．four; thirty |
| A．there is | B．there are |
| C．have | D．Has |
| A．father | B．mother | C．parent | D．parents |
| A．be | B．is | C．are | D．am |
| A．连读 | B．失去爆破 | C．both A and B |
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