I ______ her, but I never could.
| A．ought to help | B．must help | C．must have helped | D．ought to have helped |
—I suggest we set up an out-of-class club.
—Great! That’s exactly what I ______.
| A．was thinking | B．think | C．had thought | D．will think |
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 |