All the doctors in the hospital insisted that he________ badly wounded and that he ______at once.

—How was the professor's lecture?—Impressive. Thank you so much for giving me a lift during the rush hours. If not, I ________ the lecture today.

I＿＿＿＿＿＿Professor Jones had taught me this question. 

He ___ work in Hangzhou, did he?

It is important to know about the cultural differences that______ cause problems．