题目内容：

when the teacher came into the classroom ,tom ( )with his classmate
A talded B was talking C used to talk D was talk

优质解答

B
当老师走进班级的时候,汤姆正在和同学讲话.
这里根据意思,就用过去进行时
如还有不懂的,还可以继续追问哦\(^o^)/~

追问：

再问你几个问题 could you tell me if they ( )here tomorrow? A come B coming C shall come D would come he ( )a lot,but now he has given up smoking. A smoked B used to smoke C used to smoking D smokes

追答：

D 在时间或条件状语从句中，可以用一般现在时代替将来时 这里不是这种用法，只是个选择疑问句，所以就正常填，后面有明天，用将来时，但前面是could有明显的过去时态，要把will改成would B use to do sth过去常常做某事

追问：

麻烦你了，我很多不会 回答后我会给你分的 根据短文用适当的词填空 yesterday the school was over,i ( ) home on foot ()usual.on my ()home,i saw a boy ()off his bike and hurt himself .he lay ()the road. i took him ()the nearest ()at once. the doctor looked ()the boy carefully and said ,"there is()serious".the boy told us he must be careful ()time

追答：

went as way fell on to hospital over not next 这里用到的短语有 as usual和往常一样 on one's way home在某人回家的路上 fall off从....上跌落下来 fell是fall的过去式 lay on躺在 look over仔细检查 isn't serious不严重 next time下次 O(∩_∩)O~