Leaves fall _______piles ________the ground
--What is that on the table? --Oh, a set of ___________ on the table.
Shuhao Lin is ___________ NBA player, and he plays basketball very well.
What’s the right sound of the word “these”?
Which word and letter have different (不同的) pronunciations?
Don’t ______ the ball on the ground. It’s made of glass.