来自韩京宇的问题
【12.Thereisadog________intheyard(院子)now.A.runB.runningC.runsD.isrunning】
12.Thereisadog________intheyard(院子)now.A.runB.runningC.runsD.isrunning
1回答
2020-11-3014:58
【12.Thereisadog________intheyard(院子)now.A.runB.runningC.runsD.isrunning】
12.Thereisadog________intheyard(院子)now.A.runB.runningC.runsD.isrunning
这是一个现在进行时态,be动词后加动词ing形式.选B