《What's the highest mountain in the world?》PPT课件7
《What's the highest mountain in the world?》PPT课件7第4页

1b. Listen and check (✓) the numbers you hear.

_____100 _____ 16 _____ 20 _____ 50 _____ 120 _____ 0.1 _____ 0.2 ______ 150