—Can I get you a cup of black coffee?—______.
They will lose the game ______they try their best.
—Do you still remember where we first met? —Sure , just in the library. And it ______at that time.
It’s ____for us students to make a plan for studying before the beginning of the new term.
May I have a talk with you , sir ? I have ______important to tell you.
—M r Smith, would you please speak a little more ________? —Sorry ! I thought you could follow me.