Emergency line operators must always _______calm and make sure that they get all the information they need to send help.A. grow B. appear B. become D. stay
. There was terrible noise ___________ the sudden burst of light.
. The secretary worked late into the night, ___________ a long speech for the president.
. “Can't you read?” Mary said ___________ to the notice.
. How about two of us ___________ a walk down the garden?
. ---I must apologize for ___________ ahead of time. ---That’s all right.