—Shall I begin the lecture?                                             —I’m afraid we have to wait for a while. John is coming with a microphone.— ______. I can do without the microphone.

—Go out for what? Why not stay at home and watch the exciting basketball match broadcast?—________ You promised to take me out for dinner.

.----Look at the dark clouds outside. please take the umbrella with you.---                

—What’s the matter with Tina?—_______________.

         —Which of these two English books will you borrow? —I’ll borrow ______ of them. Because they are very interesting.