Each of the 400 people received from their boss ________ gift—“Who moved my cheese?”, ________ bestseller in the US, which helped them understand how to deal with changes in their lives and work.
—What do you think of my article, professor? —The former part is well written but _____ is just so so.
Young students are ______ not to smoke both in and out school.
He commanded that all the gates _____when it was getting dark in case thieves came in .
Mr. Black has been teaching English in a middle school _____ he came to China.
. — What's that noise? —Oh , I forgot to tell you. The new machine ________