—Do you know how to ______ this word?—Yes, B-A-L-L.
—What’s the low-carbon(低碳的) lifestyle like? —Save___energy, and produce carbon.
The kidnapping ________ between 9 pm and 11 pm.
The policeman is still not sure ______ the young man killed himself or not.
The work ________ in two hours. Let’s hurry.
— Let’s play football on the playground. — It’s too hot outside. I would rather______ at home than ______ out.