1. Use these words in an appropriate place. There is an extra word. so - as - after - moreover - yet - however

a) the class decided what to do for their graduation, they could relax and enjoy.

b) It was raining cats and dogs. , they decided to set off to the beach.

c) The release of the book was put off, they lost the opportunity of selling it in blockbuster season.

d) my family couldn’t come to the party on the day I had chosen, I decided to change it.

e) The teacher could see her students hadn’t understood the subject well. , they hadn’t asked for clarification.