20 : put the verbs in brackets in correct form: past simple or past continious. 1) nelly (work) quietly at her desk when suddenly the door (open) and her younger son (rush) in. he (carry) a new-born kitten in his hands. 2)we drive) for 3 hours when (to be / start) rain heavily. 3) we (drive) down the road for 3 hours and then we (stop) at the river.