So clearly English that he can always make himself understood.
| A．he speaks | B．he spoke | C．did he speak | D．does he speak |
______ on ten years of observation and study, the theory shows that every one dreams every night, whether they realized it or not.
| A．Basing | B．Based | C．Being based | D．Having based |
His friends insisted that Tony ______ nothing to do with drugs and they insisted that he ______ free immediately.
| A．have, be set | B．had, was set |
| C．had, be set | D．have, was set |
Tell me when you ______ at the airport, Alice. I’ll go there to meet you if I’m free.
| A．arrive | B．would arrive |
| C．have arrived | D．are arriving |
Great changes have taken place in the city ______.
| A．in that she grew up |
| B．she grew up |
| C．in which she grew up |
| D．which she grew up |
It was the second time that we ______ in holding such important parties.
| A．had succeeded | B．succeed |
| C．succeeded | D．have succeeded |