【正文】
1. The old people here (look / are looked) after well. 2. The cake (tastes / is tasted) very delicious. 3. The new book (sells / is sold) very well. 4. Doctors (need / are needed) in every part of the world. 5. Cotton (plant / is planted) in the southeast of China. II. 把下列句子變?yōu)楸粍?dòng)語(yǔ)態(tài),每空一詞。 kept 6. are。 1. Today lots of manmade satellite