根据中文意思，将下列句子补充完整
（1）It is usually                                （非常冷和潮湿）in spring here.
（2）That day                       ____         （是我的第一天）in Beijing.
（3）When I was outside, the weather      ______                 （迅速改变）.
（4）The sky_____________________________（开始变蓝）when I went to school.
（5）Don’t put the _____________________________ （新鲜的牛奶）under the chair.
（6）I usually drink __________________________________ （一瓶果汁）after dinner.
（7）The boy will come back __________________________________ （在午餐时间）.