【正文】
planted planted。see :see D .did seen (2)Mr Black in China since five years ago . A. lived B. has lived D .is going to live (3) We trees last Sunday .So far over 300 trees there. 。 Online tours 教學(xué)目標(biāo) 1. To learn the differences between the simple past tense and present perfect tense . 2. To analyze the sentences for the students to get a better understanding. 3. To make up some sentences using the simple past tense and present perfect tense 重點(diǎn) To learn the differences between the simple past tense and present perfect tense. 難點(diǎn) To make up some sentences using the simple past