4. Use “as…as” or “not as…as” in the sentences below.
a. Today it’s ________________ yesterday. (not/ windy)
b. This copy is ________________ the other one. (bad)
c. Simon is ____________ Fred. (not/ tall)
d. Grapefruit juice is ________________ lemonade. (not/ sweet)
e. Silver is _________________ gold. (not/ heavy)
f. Oliver is _________________ Peter. (optimistic)