playground. (play)

　　下课后我们打算在操场踢足球。

　　3．We__are_flying__to Shanghai next Friday to attend an important meeting. (fly)

　　下周五我们将乘飞机去上海出席一个重要的会议。

　　4．He__is_arriving___ tomorrow morning. (arrive)

　　他明天上午到。

　　5．The guest __is_leaving__by train tonight because he has an important thing to deal with. (leave)

　　因为有重要的事情要处理，客人今晚坐火车走。

　　6．I'm not going out tonight. I__am_staying__at home.(stay)

　　今晚我不出去，我待在家里。

　　7．The weather forecast says that __it_is_going_to_be_warm__ tomorrow. (be)

　　天气预报说明天天气暖和。

　　8．The gate guide__was_about_to__ go to bed__when__ someone knocked at the door. (about)

　　门卫正要去睡觉，这时有人敲门。

　　9．Next year's growth rate __is_forecast__at just 1%.(forecast)

　　据预测，第二年的增长率只有1%。

　　10．No matter how __busy_he_is__,_he is ready to help others. (be)

　　不管他多忙，他总是乐意帮助别人。