【推荐1】Watt(瓦特) i________ the steam engine(蒸汽机).

【推荐2】The telephone was i_________ in 1876.

【推荐3】Paper making ________ (invent) by the Chinese in the Western Han Dynasty (朝代)。

【推荐1】When we ________ (have) lunch, they ________ (arrive).

【推荐2】用括号里所给动词的适当形式填空。注意：每空不限一词。
1. My grandfather is a farmer and he isn’t used to ___________(live) in the city.
2. When the fans saw their favourite pop star, they couldn’t stop ____________(scream).
3. –You car looks cool. When ________ you ________(buy) it?       --Last week.
4. I____________(not hear) from my brother for a long time.
5. It’s dangerous ____________(climb) Mount Huang on cold and snowy days.
6. I think this film is the best one I ____________(see) before.

【推荐3】Lin Wei p________ to stay in China rather than go abroad to study further when he was young.