--- We are too busy to take____ holiday at present.--- But I think we’ll be able to take___ two weeks away.A the, the B a, one C a, it D the, one
Liu Yang is ________ first woman astronaut in China who reached ________ space.
According to ________ People's Daily article, 40% of the lakes in Jiangsu have dried up in ________ past 30 years.
The actress received an award for her ________ to charity work.
We need an effective strategy to help children living in ________ poverty to have the opportunity to receive ________ good education.
—What does PM2.5 mean? —It's a professional ________ indicating the condition of air pollution.