4. organised - on - but - more - sold - performing.
5. F - F - T - T - F - T.
6. a) If you are not calm, you'll make a wrong decision.
b) These wonderful poems were written by a great poet.
c) Because of the heavy rain, Jane didn't go fishing.
d) Vietnamese people use Khue Van pavilion as a symbol of Hanoi.
e) His idea is not the same as me.
g) Those modern paintings are not as expensive as these Dong Ho paintings.
h) What food do you like?
k) These machines are used by chefs to mix the ingredients.