How long have you been collecting shells
模塊六： 當堂檢測
1, my sister has been learning english for three years.
a more than b more over c than
2, he raised for the charity to help the poor children.
a thousand of dollars b thousands of dollars c three thousands dollars
3,i have been skating two hours.
a for b in c since
4,there’s much on the train.(room)
5,he’s a famous .(write)
6, his father is a . (collect)
7,is there (someone) in the classroom?
8,the girl has been (wait)for three hours.
9,自從XX年以來我一直在這兒教學。
i .
10，他已打網球三年半了
he has been playing tennis for .
課堂反思：
對于現在完成進行時不明白的地方：