It was my fault. I ________you about the meeting earlier.

--- Shall I get one more cake fro you, David?
--- Thanks, but you ______. I’ve had enough.

—When I first got to Harvard, my awkward English brought me great trouble.
——Oh, dear, it _______a struggle for you to keep up with other students.

—The weather isn't good enough for an outing, is it?
—Not in the least. We can't have ______ at this time of the year.

—Do you think the rain will affect the football match?
—The players are used to such rainy weather, so it ______ make any difference to them.

— My bike is broken. _____ I use yours?
— Sure. Here it is.
A Must      B Will      C Should        D May

Being honest ______ not get you a lot of friends, but it _______ always get you the right ones.

It is usually warm in my hometown in April, but it ________ be rather cold sometimes.

If you ________ smoke in the room, please keep the windows open.

Mike ________at 8:30 for the meeting, but he didn’t turn up.