On account of the development of theeconomy, the environment is seriously polluted and we must ________ the emission of the carbon dioxide.[ ]

mmer Palace is really beautiful. In fact, Idoubt whether China has _________ park.

Mary kept weighing herself to see how much ____ she was getting. [ ]

Han Han is a popular writer. His new bookwill ______ this September.

Did you finish your homework—No, I didn’t. But the teacher said we didn’t need _______.