_江苏成考网

4.In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.

• A、cool
• B、flood
• C、food
• D、moon

58.

While ____ along the shore, I found a lot of sea shells.

• A、walk
• B、walking
• C、to walk
• D、walked