---Shall we visit the Shanghai World Expo second time in the vacation? ---Good i
来源：网络
时间：
推荐文章
---Shall we visit the Shanghai World Expo ______ second time in the vacation?
---Good idea. Some pavilions didn’t open ______ first time we went there.
| A．the; the | B．a; the | C．不填; the | D．a; a |
试题答案
B
解析