A:335
B:336
C:337
D:338
下面句中只有一处错误,请找出并改正。
Everyone on the farm are singing and dancing together.
____
Do you ___________ tennis rackets?
“害人之心不可有,防人之心不可无”,为了防范侵害,我们必须提高警惕。( )
读图,回答下面小题。