---Is Kate your friend? --- ______.A. Yes, she is. B. No, he isn’t C. Yes, it is.
We need to ________ the problem in time—we can’t leave it till tomorrow.
一Is Kitty really hardworking? 一Ye s_she keeps ________ dancing every day.
If it ________ tomorrow,we’11 go boating in Xuanwu Lake park.
Hey,Daniel.You should not drop litter so___________.
—Granny, the school trip was very exciting but a little tiring. —Oh, could you tell me__________?