I don’t think he could have lost so much money last night,____? [ ]

Daming says he will write you soon .

I would love ______ to the party last night but I had to work extra hours to finish a report.[ ]

Marie Curie also ________ the use of X-ray machines, ________ now widely used in hospitals.

he residents approve of the measure______ so far in our city, _____ to bring a sharp rise in oil prices.