—I didn’t take notes at yesterday’s meeting because I had left my pen at home.
—You ________ mine. I ______ it.
| A．must have borrowed; wasn’t using | B．may have borrowed; wasn’t using |
| C．should have borrowed; hadn’t used | D．could have borrowed; wasn’t using |
—Sorry, sir. And you'll let me pay to have your jacket cleaned, won't you?
—That's all right. Coffee ________ lasting marks on clothing, I'm sure.
| A．didn't leave | B．doesn't leave |
| C．hasn't left | D．hadn't left |
—How long on earth shall I have to wait?
—Sorry, sir. Just a minute. There ________ a table available.
| A．is | B．was |
| C．will be | D．has been |
When I ________ home, I caught a thief stealing from a passerby.
| A．headed | B．was heading |
| C．has headed | D．had headed |
Up to now, thousands of red phone boxes, the old image of Britain, ________ due to mobile phones.
| A．removed | B．have removed |
| C．were removed | D．have been removed |
This is a promising company as its employees ________ to think outside the box and develop creative solutions.
| A．encourage | B．have encouraged |
| C．were encouraged | D．are encouraged |