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18
n) I wish you’d stop HARPING ON your past successes.
o) If you think I’m going to FALL FOR that trick, you’re mistaken.
p) We won’t GO INTO all that now.
Try to join the following groups of sentences using the linking words.
1 Pigeons can recognize individual human faces and the expressions on them.
This shows that
they are more intelligent than hitherto suspected. A psychologist said this
yesterday.
2 They were rewarded with pinches of grain for each correct answer.
They all learned to identify the person and the emotion correctly.
3 Each bird was shown the expression on one face. It was shown another
photograph.
It was “asked” whether the new face had the same expression.
4 The birds recognized the expressions. They never mistook them.
Supply the right forms of the verbs in brackets. Variations are possible. In each
case give your reason for the form you have chosen.
In each experiment a bird (show) the picture and (teach) to reply by pecking
at one of four keys. “After (reward) with pinches of grain for each correct
answer they all (learn) to identify the person and the emotion correctly,” he
(say). If they (make) a wrong identification they (punish) by (not give) the grain.
“To make it more difficult the faces (photograph) without any special
distinguishing features such as clothing or jewellery.”
Can you distinguish the verbs “tell” and “say”? Do you know all the cases to use
them properly?
Try to supply them in their correct forms in the following exercise:
a) The children always like me to …… them a story before they go to sleep.
b) They can …… the difference between a genuine passport and a fraud.
c) At the end of the meeting the chairman stood up to …… a few words.
d) Jimmy mentions everyone in the family whenever he …… his prayers.
e) George Washington told his father that he could never …… a lie.
f) I don’t know how you distinguish between those two. I just can’t ……
apart.
g) When in doubt, it’s best to …… nothing.
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