-----Why did you buy a radio? -----__________English.
I hope _______more robots to help people in the future.
---If there are _____people driving, there will be ______air pollution.---Yes, the air will be fresher and cleaner.
I didn’t believe he could drive ________he told me.
---What’s your favorite fruit?---I like ______ best.
---Lisa, where were you at 7:00 pm yesterday?---I _______dinner with my parents at home.