真奇怪,会议室里一个人也没有.It is strange that _____ _____ _______in the meeting room.
我哥哥送给我一块表作为生日礼物
My brother gave me a watch__ ___ ____ ____.
爱丽丝很伤心因为她丢了钥匙.
Alice is very sad______________________
你知道是谁把墙弄脏了吗?
Do you know who______________________?
食物中的一些化学物质对我们的健康是有害的.
_____ ____ ____ ____ _______are bad for our health.
牛奶闻起来酸了,我们最好扔了它.
____ _____ ____ ____and we'd better throw it away.