—There is too much ________ on the floor. Why did you make it much too ________?—Sorry, Miss Gao. I will clean it at once. A. dirty, dirtB. dirt, dirtyC. dirt, dirt
A young man _______John bought this expensive present.
---My grandfather is ill today. ---_________
We will have a _________ holiday after the exam.
-Must I finish the work today?-No, you ____. You can finish it tomorrow.
–For _____is this book written? ---It’s written for young kids.