I always_____follow the instructions of my doctor when taking medicine.

I’m afraid we can’t come, but thanks for the invitation_________.

She is _________ a teacher. She loves you like your mother.

—Will you accept his proposal?—Me?____．He is the last man in the world I want to marry．

—Why are you so late?—The driver couldn’t see clearly because of the fog．____, the road was too icy．