早晨在校门口遇到了数学老师，你应对她说： 。
| A．Morning，Mr Liu． | B．What’s your name? |
| C．How are you? | D．Good morning，Miss Liu． |
--- Wow, the pair of shoes looks pretty. Can I try _______ on ?
--- OK. Look, it fits you so well. Why not take _________?
| A．them , it | B．it, one pair |
| C．them, one pair | D．it, it |
As the citizens in China, it’s our ________ to prevent Xinjiang from being away from motherland by enemies.
| A．job | B．duty |
| C．task | D．way |
Xiao Caiqi, ________ 15-year-old girl, gave her_______ excellent performance in the Old Street.
| A．a,/ | B．an,/ |
| C．a, the | D．an, the |
---- Sorry! I’m busy today. I can’t go swimming with you.
---- _______.
| A．No problem | B．You’re welcome |
| C．That’s all | D．Never mind |
Teachers often tell their students _______ across the road when the traffic light is red.
| A．not go | B．not to go |
| C．don’t go | D．didn’t go |