–Jack, you seem in high spirits.
– ________ We won the match 4:0.
| A．Guess what? | B．So what? | C．No wonder. | D．No doubt. |
Can you imagine what problem may ________ when human beings are cloned?
| A．raise | B．cause | C．arise | D．lead |
The young actress looked so charming in her beautiful dress that we took pictures with her.
| A．a great many of | B．masses of | C．the number of | D．a large amount of |
— I have learned that it is not easy to get on well with the new boss.
—______? I think that I only need to do my own job well.
| A．So what | B．what for | C．what if | D．how come |
Many applicants stood outside the manager’s office, nervously waiting ______ for the job.
| A．to choose | B．being chosen | C．choosing | D．to be chosen |
— I ‘ll ask our physics teacher to explain Newton’s Second Law of Motion, which she taught us yesterday.
— That’s just _______ most of the students haven’t understood.
| A．what | B．why | C．how | D．where |