--- Nick, _____ you ______ my book?
--- Sorry, I just came here.
A:have, seen
B:did, see
C:has, seen
D:do, see
下列各组词语中,没有错别字的一项是( )
读中国四大地理区域图,回答问题.
对塑料的叙述不正确的是( )