If George keeps on working so hard, he’ll ______ sooner or later.
| A．break down | B．break up |
| C．break out | D．break off |
The young lady，seveal attempts to fix her cell phone，decided to have another try．
| A．making | B．having made | C．to make | D．to have made |
Finally the thief had tohe had stolen the valuable necklace
| A．claim | B．explain | C．admit | D．announce |
An agreement was about to be reachedthe other side ehanged their mind
| A．before | B．while | C．as | D．when |
Don’t be too ______ about things you’re not supposed to know.
| A．strange | B．amusing | C．curious | D．conscious |
The secretary didn’t makeclear when and where the meeting would be held
| A．this | B．that | C．it | D．what |