Choose the underlined word or phrase (A,B,C, D) that needs correcting

6. Choose the underlined word or phrase (A,B,C, D) that needs correcting

I think making pottery is useful, but I spend much time on it.

              A                    B              C                                  D

7. My brother likes _________ in the morning.

A.     swims                         B. to swim                C. swimming               D. swiming

8. To prevent flu, we eat a lot of garlic, __________ we keep our bodies, especially our feet warm.

A.     so                                B. and                       C. but                         D. or