He is used to sleeping with the window ______
| A．close | B．closing | C．to close | D．closed |
I really wonder ______ he has posted me many parcels _____ we worked together .
| A．how ; after | B．why ; when | C．when ; before | D．why ; since |
It is a rule in his family that ______ comes home earlier should cook the dinner for the family .
| A．anybody | B．who | C．who that | D．whoever |
The duties of a policeman are _____ than ____ .
| A．dangerouser ; a teacher | B．more dangerous ; a teacher |
| C．greater danger ; those of a teacher | D．more dangerous ; those of a teacher |
The black horse is _____ of the pair .
| A．the strongest | B．the stronger | C．the strong | D．quite strong |
______ professional violinist practises for several hours a day , but ______ violinist has his own way of playing the Beethoven concert .
| A．Each , every | B．Every ; each | C．All ; every | D．Either ; every |