问题
选择题
The letter I have been looking forward to _______. [ ]
A. arrive
B. has arrived
C. arriving
D. arrival
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The letter I have been looking forward to _______. [ ]
A. arrive
B. has arrived
C. arriving
D. arrival
答案：B