practice
a dicide if the following sentences are correctly punctuated. if any sentence is not, correct it.
1 the aim of the summer camp is to develop a sense of harmony and teamwork and to build up participants' confidence.
2 physical exercise helps develop muscle tissue. moreover it give an overall sense of well-being.
3 there are a number of ingredients in this cake. for example, cherries and chocolate.
4 animal such as reptiles and amphibians, cannot survive in this climate.
5 even thought the wind had become blustery and cold, he still re fused to put on an overcoat or jacket.