—How long ago _________ you _________ the English Club?—I _________ it since two years ago.
A：did, join; joined
B：have, been in; joined
C：have, joined; have joined
D：did, join; have been in
从通行的便利性看，隋朝赵州桥在造桥技术上的创新设计采用（ ）
节肢动物和环节动物的相同之处是（ ）
用所给单词的适当形式填空。
结合材料，运用《经济生活》中的相关知识，回答下列问题：
一 What is he interested in?
— Playing chess.
