A:①③⑤
B:②④⑤
C:②④⑥
D:①③⑥
下面各组词语中,没有错别字的一组是( )。
— Bob, shall we go and meet our new classmate?
— Sorry, I'm busy now. But you ________ ask David to go with you. He is free.
关于亚洲自然环境的叙述,正确的是( )