He gave me the phone number in order ________ contact him when we are in need of help. [ ]

Mary saw a dog the side of the road.

When the boy walks _______ the table ， he often knocks the things _______ it.

The robber can’t escape _______ this time.We have got much evidence to prove his crime.

Emergency line operators must always _______calm and make sure that they get all the information they need to send help.