【推荐1】The plane is one of the greatest __________ (发明物).

【推荐2】Thanks to the ________ (invent) of the smart phones, it’s convenient to take photos anytime.

【推荐3】I think the light bulb is one of the most important ________ (发明).

【推荐1】My uncle works in a hospital. He is a d________.

【推荐2】Leo turns on the r________ and listens to the English programme.

【推荐3】The Smiths had great fun in the ________ (游泳池) last Sunday.

【推荐1】Thousands of ________ (tour) come to Hollywood every year.

【推荐2】 ( 用所给单词的适当形式填空)
1. My father took many _________during his trip to the mountains last weekend. (photo)
2. Take three pills ______________ a day after meals for a week. (two)
3. The underground is _________ with passengers during rush hour. (crowd)
4. He will __________ work as a pilot in the future. (probable)
5. It was _______ for my father to talk so much at table that day. He is always quiet. (usual)
6. Columbus __________ that the world was round. (argument)

【推荐3】Parents can watch educational ________ (program) to help their children grow up.