________ at the theatre, he found the ti
题型:选择题
问题:
________ at the theatre, he found the ticket his friend gave him was left at home. [ ]
A. To arrive
B. On arriving
C. While arrived
D. On arrived
________ at the theatre, he found the ticket his friend gave him was left at home. [ ]
A. To arrive
B. On arriving
C. While arrived
D. On arrived