Do you remember ______ to Professor Smith during your last visit?(5分)
A、tobeintroduced
B、tohaveintroduced
C、havingintroduced
D、beingintroduced
发布时间:2024-06-26 17:13:06
A、tobeintroduced
B、tohaveintroduced
C、havingintroduced
D、beingintroduced