We don’t have enough nurses to look after the patients. At least______ are needed.
Now more people are paying attention to the school bus safety. — So we believe ________ there will be fewer accidents in the future.
________ cups of coffee do we need?[ ]
What do you think of your trip to Hainan? —Wonderful. We were all ________with the ________trip.
Is this a picture ______ your school? [ ]