| Question | They must … more intensively. |
|---|---|
| Title | 2842 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | be trained |
| Q_2 | be train |
| Q_3 | training |
| Answers | 1 0 0 |
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Next card: Ball dance 这组词都有“舞会”的意思，其区别是：ball 多指社交性的舞会，场面较为隆重和正式。dance 指一般性的非正式舞会
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