UC知道英语,,,,,,,
来源：百度知道 编辑：UC知道 时间：2024/05/29 07:05:54
1.the teacher ()(speak)when the little boy ()(enter)the classroom quietly
2.while they ()(have)lunch,all the lights()(go)out
3.i can not find my dictionary .i think somebody ()(take)it away by mistake
4.she ()(not know)what mr benson()(do)then
2.while they ()(have)lunch,all the lights()(go)out
3.i can not find my dictionary .i think somebody ()(take)it away by mistake
4.she ()(not know)what mr benson()(do)then
1.was speaking entered 前面长时间动作，所以过去进行时，后面进入，短暂性动作，一般过去式
2.were having went 跟上面解释一样
3.took 有人拿错了我的字典，发生在过去
4.didn't know did
最好都是过去式
1 was speaking,entered
2 were having,went
3 had taken
4 didn't know,was doing