问题
选择题
I _____ carefully, but I _____nothing. [ ]
A. listened to; heard
B. listened; heard
C. listened; hear
D. heard; listened
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I _____ carefully, but I _____nothing. [ ]
A. listened to; heard
B. listened; heard
C. listened; hear
D. heard; listened
答案：B