根据对话内容，在空格中填写一个句子，使对话完整、正确。
A: Good morning, Miss Lin.
B: Hi, Liu Xing. ________________________?
A: I’ve just been to the English Corner.
B: Really? That’s great! Did you talk with our
foreign teacher Mark?
A: ________________________. But I’m not sure
if he understood me.
B: No problem. ________________________？
A: He said I needed more practice. But _____________________________.
B: Take it easy! Everyone makes mistakes at the beginning. You should believe in yourself.
A: But do you think they like to talk with us beginners?
B: Yes, unless they are busy.
A: Well, could you help me with my oral English?
B:________________________. You can come to me at any time.
所有的乘客都下了车，去帮助那位老人．（get）
All the passengers to help the old man．
中国天舟一号货运飞船长10.6米，可载重6.5吨（meter）
China's Tianzhou﹣1cargo spacecraft is 10.6 and can carry up to 6.5 tons of cargo．
共享单车的使用人数今年有望达到五千人．（number）
shared bike users is expected to reach 50 million this year．
In my opinion，teenagers should be to choose their own clothes．
Our teachers told us that the earth moves around the ．