I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.

You can’t imagine that a well-behaved gentleman __________ be so rude to a lady.

——Will you stay for lunch?——Sorry，       . My brother is coming to see me.

You _____ read a book in the sun—it'll do harm to your eyes．                      

—Must I finish my homework at school?— No, you_____. you can do it at home