____ St Paul’s Cathedral built after theterrible fire of London in 1666 It looked splendid when first _____!

reserves are very important forpreserving many animals and plants, which would _______ run the risk ofbecoming extinct.

Several new railways are under _____ inChina

When the teacher came in , the students _______ about the film.

Good to see you again. It’s almost threeyears _______ we met last time.