题目内容
【题目】Ann and I (ice-skate) at eleven o'clock.
【答案】are ice-skating
【解析】一般进行时态。动词do变为be doing 形式。Ann and I是复合主语，故选用be动词are。ice-skate的-ing形式是ice-skating。故填are ice-skating。
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题目内容
【题目】Ann and I (ice-skate) at eleven o'clock.
【答案】are ice-skating
【解析】一般进行时态。动词do变为be doing 形式。Ann and I是复合主语，故选用be动词are。ice-skate的-ing形式是ice-skating。故填are ice-skating。