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
It is said that the __________ temple was built 1500 years ago.
The trapped children ______ what had happened.
--- How long has this bookshop been in business? --- _________ 1985.
Helen said that they ________ for 3 years.
I was about to go to bed _____ someone knocked at the door.