Looking at insects

This task is about adding words to a text so that it makes sense.
The following piece of writing has some spaces where words are missing.
 
First, read the whole piece of writing through to get an idea of what it is about. Then fill each space with ONE word so that the whole piece of writing makes sense. You are able to change answers as you go.

When you have filled in all the spaces, re-read the text to check that the whole piece of writing makes sense.

Question 1Change answer

Looking at insects
 
There are more than three-quarters of a million kinds of insect and there are many insects of each kind. It's no wonder some of them 1 nuisances and get in our way. 2 have to have food, but some 3 food we want to have for 4. They eat the grain grown on 5 farms and the vegetables in our 6 and the fruit in our orchards. 7 we find a worm-eaten apple we usually say, "One of our six-legged neighbours 8 here first". However, the "worms" in 9 are not real worms but baby 10 called larvae. Many insects are like 11 when they are young. Some of 12 worm-like baby insects we call caterpillars; 13 we call grubs. Some insects even 14 to our tables and try to 15 food off our plates, like house-flies. 16 insects are our enemies because they harm our forest and garden trees. They 17 eat the leaves, or bore into 18 trunk or roots. Other insects chew 19 in our clothes, and they may 20 our books or sometimes damage the 21 our furniture is made of. But, 22 most harmful insects are those that 23 deadly diseases: flies, fleas, mosquitoes, and lice. 24 are our greatest enemies!