We were lucky to have survived the train accident. _____, the first and last car were smashed.
Do you still remember me somewhere in Shanghai? —Yes, of course. Two years ago.
Mr Li, I can’t understand everything in class.— Don’t worry! I’ll ______ the main points at the end.
Polly said that he did everything ______ she could to comfort his sister who cried after being refused by Harvard.
China is larger than _________ in Africa.