—It’s a long time since we met last. Haven’t you graduated from college yet?—_____. I ______ English for four years in Nanjing University.
---This physics problem is too difficult. Can you show me __________, Wang Lin? --- Sure.
--- How can I improve my spoken English? --- You have to practise ______ as much as you can.
--- How about going hiking this weekend? --- Sorry. I prefer _______ rather than _______.
The teacher asked the students ________.
Could you tell me _______ ?