题干
- Did Jack come to our party yesterday?
- No, he .
A：didn't invite
B：wasn't invited
C：isn't invited
D：hasn't invited
答案(点此获取答案解析）
B
- Did Jack come to our party yesterday?
- No, he .
A：didn't invite
B：wasn't invited
C：isn't invited
D：hasn't invited
(
为虚数单位)的二项展开式中第7项为（ ）