What is Tom doing now?He is preparing a report for the conference tomorrow.
When you’re learning to drive, _______ a good teacher makes a big difference.
How do you enjoy _____ your weekends, fishing or watching TV?
I would love _______ to the party last night but I had to work extra hours to finish a report.
He came back on ___ and left on _____.
_____ Shanghai you see today is quite _____ different city from what it used to be. A. The, 不填 B. 不填, the C. The, a D. A. a