--Tom said their teacher speaks too quickly for him and Betty to understand.--________ Mary and Bob said they could understand him.
My enthusiasm for Chinese football team gradually ____ because of their countless failures.
As you are now a member of our society we shall let you ____ our secrets.
__ many times, but she still didn't know how to do it.
Scientists think that the continents ____ always where they ___today.
--- Would you tell me ___ you want your tea, with sugar or milk? --- Sugar, please.