How long is the warranty period?All the products have a ________________________.
12-month warranty; twelve-month warranty
举一反三
- The warranty period for BenQ CD-ROM, Projector, LCD Monitor and Joybook is all one year.
- How long is the warranty of the computer（） A: 2 months. B: 1 year. C: 2 years.
- ________English? A: How long time are you studying B: How long do you study C: How long have you been studying D: How long time have you studied
- If some has poor quality sleep for a long period of time, she or he may _____________. A: Have cognitive problems B: Track sleep process C: Dream all night D: Have sleep apnoea
- how long have they done the jobs?
内容
- 0
How long have you ______ here?
- 1
How long have Chris learned violin?
- 2
4. A: _________________________ on your products? (warranty) B: Yes. Of course.
- 3
（）have you been in this country A: How long B: How old C: How many
- 4
It is possible to have decreasing marginal products for all inputs, and yet have increasing returns to scale.