—Hey!Kate，what about your last winter camp in Hainan？
—Oh!It_______ some sweet memories in my heart in the past several months.
A．leavesB．is leavingC．has leftD．will leave
Tony, do you think our city is becoming more and more beautiful？
Yes, especially after so many trees ______ last year．（ ）
A．are plantedB．have been planted
C．were planted
______ amazing movie the Wandering Earth is!
I think so． And that's the most fantastic one of all the movies．（ ）
A．HowB．What anC．What
Dad, must I have the homework finished at once？ I want to play outside with my friends now．
No, you ______． You can finish it tomorrow．（ ）
A．can'tB．mustn'tC．needn't
My brother with other nine firefighters ______ hard every day in order to help people in need at any time．（ ）
A．practicesB．practiceC．practiced
All the foreign kids don't feel lonely ______ they are alone in China．（ ）
A．even thoughB．since
C．unless