--What do you think of ________ gifted chemist from London?
---Well, sometimes his behavior is beyond ________ comprehension.
| A．a, the | B．the / | C．the the | D．a / |
—How did you mange to escape from the big fire last Wednesday?
—The couple _______ next door woke me up and we called the firefighters.
| A．lived | B．to live | C．having lived | D．living |
________ in a heavy rain should be an unforgettable experience.
| A．Caught | B．Catching | C．Being caught | D．To catch |
The twins were so much alike; I could hardly ________ Tom.
| A．pick up | B．pick out | C．pick off | D．pick at |
—I’m sorry. I ________ at you the other day.
— Forget it. I was a bit out of control myself.
| A．shouldn’t shout | B．shouldn’t have shouted |
| C．mustn’t shout | D．mustn’t haven’t shouted |
________ he finished writing his paper in such a short time surprised us all.
| A．When | B．Why | C．That | D．What |