Young trees should ________ every day.
| A．water | B．watered | C．be watering | D．be watered |
—Do you remember _______ came to our city?
—Yes. On December 25 last year.
A. when the singing star
B. how the movie star
C. why the famous speaker
—I will take the singing competition tomorrow.
— _________.
A. Good luck B. Congratulations C. That’s all right
—You can’t stop your car here.
—Sorry. I didn’t see the sign.
A.
B. 
C. 
—Sorry. I left your camera at home.
— _________. You can return it to me tomorrow.
A. Good idea. B. Thank you. C. It doesn’t matter.
—Your city is so beautiful. It's like a big garden.
—Yes. Many trees and flowers _______ every year.
A. are planting B. are planted C. have planted