--There will be _____air pollution if there are_____ people driving. --I hope the air will be fresher soon.
---_______ Lucy come from America?---No. She _______from America. She is English.
Of the underlined parts, which has a different pronunciation(发音)?
---Is Mary a _______ swimmer?---Yes, she swims _______.
Daniel and I _______ in Class 2. ______ are friends.
---Some of us play sports our free time weekends.---Let’s play football this Sunday.