HER ILLNESS WAS _____ WE THOUGHT AT FIRSTA. MUCH SERIOUS THAN B. M...

22. Her illness was _____ we thought at first

A. much serious than B. much more serious than

C. much seriously than D. seriouser than

III. In these sentences, each one has four underlined words or phrases marked A, B, C, and D. Choose the

one word or phrase that must be changed in order for the sentence to be correct