The work is so difficult that we can’t finish it in time ____.
---_____ you ever _____ to Nanjing? ---Yes, I _____ there last year.
The children will climb the hill if it _____ tomorrow.
I can’t spell their names, could you please _____?
Can you ____ it in English?
---May I _____ your bike? ---Sure. But please give it back to me this afternoon.