Every day, mainland China _______ Hong Kong _______ lots of vegetables, fruits and meat.
Jenny is quite good at taking notes. She can _______ almost every word her teachers say in class.
---Have you read any novels written by the famous writer Mo Yan? --- Yes, of course. I ______ several of his works when I was studying abroad.
Thanks to scientific research, we now have a good understanding of ______ an earthquake is and why it happens.
--- What shall we prepare for our picnic this weekend? --- Well, let’s discuss it ______ lunch.
How can you expect to learn anything ______ you spend all your time playing computer games?