B. Listen to the sentences. Circle the places you hear /w/ or /y/ sounds.

(Nghe các câu. Khoanh tròn những nơi bạn nghe thấy âm /w/ hoặc /y/)

1. The spacecraft finally entered Earth's atmosphere.

2. You can see over 2,000 stars at night.

3. Scientists didn’t know about Pluto until 1931.

4. In 1969, two Americans landed on the moon in Apollo 11.

5. Do you think there will be a space colony on the moon someday?

6. Astronauts have to do a lot of training before they can go into space.