—I’m terribly sorry to have put you through so much trouble.
—____. I know you didn’t mean to.
| A．You’re welcome | B．No trouble |
| C．All right | D．Forget it |
.The detective, ______to read a newspaper, glanced at the man ______next to a woman.
| A．pretending ; seating | B．pretending; seated |
| C．pretended ; seating | D．pretended ; seated |
It’s not right to ______ the poorer people of the world.
| A．look up | B．look down |
| C．look down on | D．look up to |
.Three-fourths of the buildings ______.
| A．was destroyed | B．is destroyed |
| C．were destroyed | D．has been destroyed |
Mary is one of the girls who ______ always on time.
| A．is | B．am | C．are | D．was |
It was so cold that they kept the fire ______ all night.
| A．burn | B．burning | C．burned | D．burns |