画线句提问We plant trees twice a year.twice 被画线
画线句提问We plant trees twice a year.twice 被画线
I visit my grandparents twice a year 就画线部分提问,画线部分是twice a ye
We have science classes twice a week对画线部分提问(twice a week)
we go to the school library twice a week(对画线部分提问)
Sarah watches TV twice a week.(对画线部分提问)(划线单词:twice)
We go to the school library twice a month.(划线部分提问) 画线部分是twic
I visit them twice a year.twice划线提问
英语就划线部分提问 We can plant trees in March in March画线
The students exercise (once or twice) a week .(对画线提问)
She surfs the Internet( twice a week.)对画线部分提问
Lingling goes to the library twice a week.(对画线部分提问)
We have music twice a week. 对twice提问