all of us are look for the lost boy for the worried mother

The police ---------(look) for the lost boy Some people are helping the w____ mother look for the lost b I have to wait for my mother,for l have lost the key of the All of us are study for the English e__________ I f_________ The police are looking for the lost boy 为什么是are呢 The villagers are searching the village for the lost boy.(改成 We have taken some m____to look for the lost boy.We can find they are searching for the lost boy = they are ___ ____ ____ ___number of policeman are looking for a lost boy. the police is looking for the lost boy The police ______(be)looking for the lost boy They are looking for the lost boy from one house to another