One of my teachers ____ an Englishman.
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__________?