Do you know the teacher __________ long hair?
_______ your sunglasses, Sally. The sun is so bright.
—Mike , you look so excited.—Yeah! There a tennis game played by Li Na this evening.
—Look at the young lady in red. Is it Mrs. King?—No, It ________ be her. She is wearing a white dress today.
My host family tried to cook ________ for me when I studied in New Zealand.
—Why are you so tired these days?—Well, I have ________ homework to do.