当你介绍朋友给别人认识,应该说________.A. I'm Mike.B. This is Li Lei.C. He's Li Ming.
I used to _____ to work. To keep healthy, I am used to ______ to work now.
I remember this passage __________connecting it ______ the pictures.
—Shall we take a walk after dinner? —________________.
— Jason, I have helped you wash your clothes. — _______________
— Where’s your father, Tom?— He _________ to Changsha.