Read the text and fill in the gaps with the correct form of verbs as per subject and context. Child labour means that children (a) ____ (force) to work like adults and (b) ____ (take) part in an economic activity. According to the ILO (International Labour Organization) the term (c) ____ apply) to people up to age thirteen, or seventeen in case of dangerous work. Only about a fourth of the ILO members (d) ____ (ratify) the respective convention, but the age limits are generally accepted. When children work like adults, this (e) ____ (deprive) them of their childhood. Very often, they, cannot attend regular school either. This kind of work is mentally, physically, socially or morally dangerous and harmful. Child labour (f)____ (be) fundamentally different from casual work (g) ____ (do) by children, like (h)____ (guard) other children, or (i) ____ (help) here and there. Child labour (j) ____ (forbid) in most countries. In some places, minor boys and girls (k) ____ (work) in tea stalls; restaurants, hotels and other small shops. Some work in huge factories like brick kilns. The main reason why child labour occurs (l) ____ (be) poverty. Estimates are that up to 350 million children (m) ____ (involve) in child labour. Eight millions of these are affected by the worst forms of child labour : they are child soldiers, they are forced into child prostitution, they (n)____ (use) as child slaves, debt bondage or affected by human trafficking.