He ___ work in Hangzhou, did he?

I have made greater progress in English, and my teacher inspired me to keep it     .

–I could not start my car this morning due to the cold weather. --No wonder you were late. You ___ have used mine. I was not using all the morning.

If it ______ tomorrow, our picnic _______ to be put off. 

We have made good preparations for Sarah’s birthday, but if she ________ late to the party, it would ruin the surprise for her.