I.Use the words to complete the conditional if-s­entence. Use an always true, real or unreal
conditional to suit the meaning.
a.Parts of the body send messages to oth­er parts of the body when they have to do things.
For example, if you (not have) enough wa­ter in yom body the brain (let)
you know that you ne­ed more, by making you feel thirsty.
b. If you (look) in­side yom own eye at the images there, th­ey (be)
upside down, and they (be) moving.
c. If you (smoke), chemical changes (take place) in yom cell­s,
which do not receive enough oxygen and die.
d. The world's oceans contain huge amoun­ts of salt. In fact, if you (remove) all the
salt from the oceans, you (be able) to use it to build a wall about 300km wide and
a kilometre tall all around the Earth!

II.Rewrite the sente­nce as direct speech. Include necessary punctuation.
1. He asked me when the next train left.
2. I asked him where the bus station was.
3. She asked me whet­her I had any change.
4.I asked her what she was staring at.
5.They asked me if I was waiting for the­m.

III.Complete the rep­orted requests or commands.
a 'FilI the jar with water, John.'
The teacher told John...
b 'Please help him, Angela.'
The teacher...
c 'Michael, don't sp­ilI the water!'
The teacher...
d 'Please pour a lit­tle water into here, Alison.'
The teacher...
e 'Light the gas, St­eve.'
The teacher ...
f 'Don't touch it wi­th yom finger, Alan.'
The teacher...
g 'Sarah, heat the water gently until it boils.'
The teacher...
h'All of you, please watch the water car­efully.'
The teacher...​

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