Eating more fruits and vegetables is good _________ our health.
—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.