Replace the words in parentheses for the words below
1 The marketing manager used lots of (technical words) (a) which the intern didn’t understand.
2 Michelle’s presentation slides were full of text and not very (b) (visually attractive).
3 I’ve just bought a cool (device) (c) for my office. It’s a retro phone.
4 Many people try to (earn revenue) (d) from their websites and video channels