—Is Jason all right? He looks so tired!
—Not sure. He __________ deep into the night yesterday. He's having an exam soon.
| A．may have studied |
| B．should have studied |
| C．might study |
| D．must have been studying |
— Have you got any information about your missing dog from the police?
— No. I ______. The police say they’ll let me know when there is any news.
| A．waited | B．was waiting | C．have waited | D．am waiting |
_________ Australia’s relatively small population, its outstanding performance in the Olympic Games was really amazing.
| A．Having considered | B．Considered |
| C．Considering | D．To consider |
Look！How much________ Alice looks wearing her new show dress!
| A．well | B．good | C．better | D．best |
—I counted sheep, I drank milk and I tried everything, but nothing helped.
—It seems you _____ too much recently. Try some sleeping pills.
| A．worked | B．work | C．had worked | D．have been working |
Jose cupped his hands together to cover his mouth ________ other people would see him cry.
| A．so that | B．now that | C．for fear that | D．on condition that |