— Father is sleeping. You’d better ________ quiet. — Sorry, I won’t.A. keep B. to keep C. keeping
---Could you tell me how long ______the book? ---Three days.
Guo Yue did quite ______at the World Table Tennis Championship (锦标赛), but Zhang Yining did even ______.
---Whose English-Chinese dictionary is this? ---It’s _______. My parents bought it for my sister and me.
Look at these pictures carefully, and decide which sentence is right? ______.
---Excuse me, please look at the sign “No Smoking”. ---Sorry, I _____.