摘要：19．A．look up a word in a dictionary 查字典.注意不能说 look up a dictionary．look over指医生“检查 病人.look at看.
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If you don’t know the new word, you’d better ＿＿.
| A．look up a dictionary | B．look up an dictionary |
| C．look it up in a dictionary | D．look up it dictionary |
If you don’t know the new word, you’d better ＿＿.
| A．look up a dictionary | B．look up an dictionary |
| C．look it up in a dictionary | D．look up it dictionary |
If you don’t know how to spell a new word, you’d better ______.
A．look up a dictionary B．look up an dictionary
C．look it up in an dictionary D．look it up in a dictionary
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