To improve the quality of our products, we asked for suggestions _____ had used the products.
—Look! Someone has spilt coffee on the carpet. —Well, it ________ me.
—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You should have waited. —Oh, really? But how ________ I know?
How can I ever concentrate if you ________ continually ________ me with silly questions?
—Excuse me, sir. Would you do me a favor?—Of course. What is it?—I ________ if you could tell me how to fill out this form.
—Which flight ________ ? —I want to catch the 13:00.