Let’s ________ the blackboard. A. be B. clean C. to clean
What kind of structure is the sentence “The girl showed her classmates some of her family photos.” ?
Could you please ________ the children ________ with snake?
Cycling is a good exercise. _______, it doesn’t pollute the air.
— What should I do, doctor? — _______fit ,you should take more exercise.
Shandong is ______ the east of China, and Japan is ______ the east of China.