A. to introduce to B. to be introduced to C. being introduced to D. to have been introduced to
A. to see B. to be seeing C. to be seen D. being seen
A. were to break out B. is going to break out C. breaks out D. broke out
A. to bring B. bringing C. to take D. taking
A. help him B. to help him with C. to help with D. helps him with
A. 对 B. 错