Children under sixteen are not permitted to participate in such kind of activities ________ bad for their mental development.
Not until I dropped off from school ____ how much time I had wasted.
The room ______ 10 meters across is large enough for a single man ______ .
This is the girl ______ father was just spoken by us.
There are some health problems that, when ______ in time, can become bigger ones later on.
He commanded that all the gates ________.