【简答题】Student B 是否被动态,关键是看該动词的主语是否是动作的执行者。根据p58的语法,再次实践被动语态的用法。 1 The new CEO is announced / will be announced at the meeting. 2 We believe staff must give / must be given proper training. 3 New investment ...
【简答题】语法填空: Plastic is a huge problem for our planet . It is really 1 ( challenge ) to get rid of and a lot of it ends up in nature or in the ocean in particular . There , it is a threat 2 our animals and p...