—She looks very happy. She ______ have passed the exam.
—I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
—You seemed to be deeply struck by his skill.
---Not exactly so.It was his determination ___his skill that really struck me most.
| A．as well as | B．rather than | C．but also | D．except |
Is this the reason ___ at the meeting for his carelessness in his work?
| A．he explained | B．what explained | C．how he explained | D．why he explained |
—A cup of coffee, please?
---How do you like it?
| A．I like it very much. | B．I’d like it black. |
| C．It tastes a bit bitter. | D．I wouldn't leave it to you. |
---I am going to travel to English.Would you consider telling me about your experiences there?
---_____.Let’s discuss it over drink.
| A．That’s all right. | B．By all means. | C．Go ahead. | D．It just depends. |
What ______ public is concerned about is whether medical workers and scientists will be able to find_____cure for this new disease in a short time.
| A．不填;不填 | B．不填;the | C．the;不填 | D．the;a |