摘要： six days a week
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We _______ six days a week, but we only work five days now.
| A．usedtowork | B．usedwork |
| C．usedtoworking | D．usetowork |
We six days a week, but now we only work five days.
| A．used work | B．are used to work | C．used to working | D．used to work |
We _________ six days a week, but now we only work five days.
A. used work B. are used to work
C. used to working D. used to work
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