Rewrite the sentences using the correct form of the word given.

a. People fail to understand the real difficulty of learning a language.(estimate)

b. I don't really like using credit cards; the bill sometimes is higher than it should be. (charge)

c. He always tries to do better than the rest of the class. (do)

d. Sorry, but your package has been sent to the wrong address.(to address)

e. The advantages are clearly more important than the drawbacks. (weigh)

f. Children who do not behave well won't go on the trip! (behave)

g. The movie wasn't as good as people are saying. (rate)

h. This pasta tastes terrible! I think it's not cooked enough. (cook)