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
A: yearly
B: year in and year out
C: year to yea
D: year after yea
举一反三
- 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 factory has turned out ______. A: twice TV sets this year more than last year B: TV sets this year twice as many as last year C: twice as many TV sets this year as last year D: TV sets twice more this year that last year
- The factory has turned out ___. A: TV sets twice more this year than last year B: twice more TV sets this year than last year C: twice as many TV sets this year as last year D: TV sets this year twice as many as last year
- According to the passage, it is believed that the sun （）. A: moves in a quick but steady way year after year B: sends out less and less heat and light with each passing year C: radiates the same amount of light every year D: might have a strong influence on the weather patterns
- 21（） A: next year B: that year C: this year D: by year