It was not until yesterday that I realized ____ silly mistakes I had made.
A．what B．that C．how D．which
With mum’s birthday around the corner, I have taken some money out of the bank _____ a present for her.
A．buy B．to be bought
C．buying D．to buy
—Everybody is going to climb the mountain. Can I go too, mum?
—______. Wait till you are old enough, dear.
A．Will you? B．Why not?
C．I hope so. D．I’m afraid not.
A proposal came up at the meeting _____the protection of giant pandas in Sichuan.
A．was concerned with B．concerned about
C．concerning D．to concern
Grade Three students have a ______ to work harder than those in Grade Two.
A. courage B. wisdom C. devotion D. tendency
Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating.
A. speaks of B. refers to C. comes to D. focuses on
