—How many students are there in the classroom?— . They are all in the lab.
young trees have been planted along the north of China these years.
The final exam is coming. All the students are busy getting readyit.
——Hi, David. How’s it going? ——_______. I can’t find my new bike.
——Does your mother have long hair? ——No, she has _____hair.
——People usually describe the same person_____. ——Because we don’t always see things the ____way.