You ______have written such a long article. The teacher said 100 words would be enough.A. mustn’t B needn’t C couldn’t D. wouldn’t
—What's the matter with Philips? —Something must have happened to him. He left home three hours ago, but ________ at the party!
If this product does not give you complete satisfaction, please return it to the manufacturer, stating when it ________.
—David, are you listening to me? —Sorry, Dad. I ________ to make sense of what the reporter said.
—Look! Someone ________ the floor. —Well, it wasn't me. I went shopping just now.
It's said that they ________ a better life ever since they moved to the US.