The _ of our raw material varies from year to year.
举一反三
- 3. The ________ of our raw material varies from year to year. A: sauce B: source C: stuff D: suit
- The number of students participating in online courses varies . A: year to year B: year and year C: year by year D: year on year
- The number of students participating in online courses varies ____________. A: yearly B: year in and year out C: year to yea D: year after yea
- It _____ the year of the horse next year.
- New Year is the first day of a year.