.I tried to call on you last week but your dog simply ____ not let me come through the gate.

Look at the trouble I am in. If only I _____ your advice then.

—Why are most of us unable to study English well，Mr.Li?—You ______.But you ______ too little attention to it.

--- I borrowed 10 dollars from Cathy, but she insisted that I borrowed 15 dollars from her. --- I ______ you the money. Why didn’t you ask me?

From what I learn about their hotel, the service and the weather, they    their holiday very much.