__________ with care, one tin will last for six weeks.
| A．Use |
| B．Using |
| C．Used |
| D．To use |
The most important thing for Lucy is to find a proper job,____ in which she can bring her ability and potential into full play.
| A．that | B．this | C．one | D．the one |
Mr. Obama noted that the ____ Christmas Day bombing was not the first time the group ____to attack America and its friends.
| A．advised; tried | B．attended; trying |
| C．attempted; had tried | D．wanted; has tried |
— Do remember to see a doctor tomorrow!
— ____ .
| A．Got it | B．Heard it. | C．Oh, come on | D．That’s it |
The young waiter knocked over the red wine by chance, ____ the table cloth.
| A．ruined | B．to ruin | C．having ruined | D．ruining |
So quickly are science and technology advancing ____ is a possibility today may be a reality tomorrow.
| A．what | B．that | C．what that | D．that what |