我知道你会
1. Tom and Billi\y were allowed to went to the park to play on Sunday.2. The English boy speaks Chinese very well.3. They baked some bread an hour ago.4. They have ever been to Beijing two years ago.2楼的,haven't been to 是短暂性的,后面是不能跟延续性的时间状语 for 2 years 的,而且3楼的,speaks very good Chinese.是“说的非常好的中文”呵呵~是要赞叹中华文化博大精深么?