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 was playing computer games that cost the boy plenty of time that he ________ have spent doing his lessons.
—________ I return the dictionary within three days? —No, you ________. You ________ keep it for five days.
Sir, you ________ be sitting in this waiting room. It is for women and children only.
The train has gone. You two ________ on time.
There was plenty of time. She ________ to the station.