They are also worried _________ all the students are able to make good use of the spare time after school.
Finally the hunter shot at the wide animal.But it ___ ot its feet before falling down.
These clothes are very dirty.They need ___.
He was so poor that he couldn't afford ___ a new coat.
The boy was seen ___ his bikecycle while riding in the street.
The soldier stood there ___ , except that his lips moved a little as if he was saying to himself.