问题
选择题
. Cattle ______ on the hillside.
A．grazes
B．is grazing
C．was grazing
D．were grazing
答案
答案：D
搜题请搜索小程序“爱下问搜题”
. Cattle ______ on the hillside.
A．grazes
B．is grazing
C．was grazing
D．were grazing
答案：D
