问题
选择题
Look! Dave __ on the phone. [ ]
A. talks
B. are talking
C. talk
D. is talking
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Look! Dave __ on the phone. [ ]
A. talks
B. are talking
C. talk
D. is talking
答案：D