You can make yourself _____ in English pretty well if you keep on speaking the language.
| A．understand | B．understanding | C．to understand | D．understood |
Suddenly, the lightning flashed through the clouds, nearly ____ Paul.
| A．beating | B．blinding | C．burning | D．touching |
Keep up good state of mind even if you _____ fail plenty of times.
| A．must | B．will | C．can | D．should |
I can’t remember when exactly the Robinsons left _____city ,I only remember it was ______ Monday. 。
| A．the , the | B．a ,the | C．a, a | D．the, a |
Some people ________ not have plans yet for New Year’s Eve, but others know exactly what they will be doing.
His conclusion, ______ on careful research, was acceptable.
| A．to base | B．to be based | C．basing | D．based |