共50条信息
Enough patience and rich experience are necessary __________（条件，资格）for this position.
The object of these experiments was to find the connection, if any, between the two ___________（现象）.
---What’s wrong with him? He has been absent from school for three days?
---It’s said that he is _____________（沉迷）to computer games and cannot tear himself from the Internet Bar.
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