________ 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 |
That’s such a well-known placeeveryone wants to visitwe can find it in the map of the world.
| A．that；as |
| B．as；as |
| C．that；that |
| D．as；that |
The young mother saw her baby fall to the ground，brought her heart to her mouth.
| A．it |
| B．and which |
| C．and that |
| D．this |
With the help of the German experts，the factory produced cars in 2005 as the year before.
| A．as twice many |
| B．as many twice |
| C．as twice as many |
| D．twice as many |
I can never forget the dayswe worked together and the days we spent together.
| A．when；which |
| B．which；when |
| C．what；that |
| D．when；when |
Whatever is left over may be put into the refrigerator,it will keep for two or three weeks.
| A．when |
| B．which |
| C．where |
| D．while |