--- _____ ! The bus is coming. --- Oh, no. It’s too dangerous to cross the street now.
—Lily,______ do you study for a math best? —By asking my teacher for help.
—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed _____ 12 o’clock last night.
—I hope the summer vacation will come soon.—_______.It’s really relaxing.
—What do you think of the two backpacks? —______ of them are very nice.
I bought a new sweater last weekend. It ________ me 120 yuan. A. paid B. take C. cost D. spent