Fill in the blanks with the words from the box. You may need to change the forms of some of the words. You may need to use one word more than once:

Dengue fever is (a) ___ tropical virus-infected disease. It is (b) _____  in more than 110 countries. It is (c) _______ by dengue virus. The fever is spread by (d)___ Aedes mosquitoes. When the mosquito (e) ______a man, the virus enters the blood cell, grows-rapidly and attacks many(f)________  of the body. There is (g) ________  specific medicine to treat dengue infection. So, we must put emphasis (h) __________ preventive measures. For this we must keep our surroundings clean to stop (i)_____ of Aedes mosquitoes. Again we must not (j)_______to accumulate water in any open space for more than two days.

Fill in the blanks with suitable words:

Our forests are a part of our environment. To (a)________ ecological balance, forests are necessary. But the amount of forests of the country (b)_______ being shrunk day by day. Some people remain (c)________ with their personal benefits. They do not (d)________ of the environment. Trees produce oxygen and (e)_________ the environment cool and prevent the rise of temperature. Whereas, some greedy people, out of their self-interest,(f)_________ the forests by cutting down trees at (g) __________. They should know  and realize that indiscriminate (h)________ down of trees destroys the ecological balance. They should also realize that if this destruction (i)_________one day our country may turn into a desert. We hope that they will ultimately realize the (j)________

Make five sentences using the parts of sentences from each column of the table below:

Complete the following text with right forms of the verbs given in the box :

Rivers generally (a)______   from a mountain or a lake. They(b)_________ very much important for our existence and economy. But unfortunately we are (c)___________ our rivers by throwing industrial and domestic wastes. Most of the industries (d)_________ waste treatment plants. These kinds of industries are (e)__________ liquid wastes and continuously (f)________ the water. Our unconscious people also (g)_________ different kinds of waste materials into rivers. So, to keep the existence of fishes and other species (h)__________ in the water is impossible. It is high time the government and the people (i)__________ together to save the rivers. Otherwise a happy, prosperous and pollution free environment can't be (j)________ for the next generation.

Change the narrative style of the following text: "What are you reading?" Rifat said to Sifat. "I am reading an interesting drama written by Shakespeare. What an interesting drama it is! I have collected it from our school library," said Sifat. "Please lend me the book", said Rifat.