_______she is not so cheerful________she used to be?
| A．How it is that；as | B．How is it that；as |
| C．Is it why；that | D．Why is it that；what |
The lady insisted that the young man ______ her wallet and her parents insisted he ______ to the police station at once.
| A．had stolen; be sent | B．had stolen; sent |
| C．should steal; shouldn't be sent | D．had stolen; must be sent |
He was obviously annoyed，for he was not used to ________ like that.
| A．speaking | B．spoken to | C．being spoken | D．being spoken to |
They are talking _____ they had been friends for years, while in fact they have known each other for only two hours.
| A．even though | B．as though | C．now that | D．until |
In order to go to a famous university, you must ________ each of the three years in Senior High School.
| A．make most of | B．make best of |
| C．make good use for | D．make good use of |
________ to our study is the best way ________ high grades.
| A．Devote ourselves; to achieve | B．Devoting us; of achieving |
| C．Devoting ourselves; to achieve | D．Devoted ourselves; of achieving |