________he couldn't understand was________more and more students showed interest in the computer games.
| A．What；because |
| B．That；what |
| C．What；why |
| D．Why；that |
He is not a man to get along with, and I never feel ________ in his company.
| A．with ease | B．at ease | C．for ease | D．in ease |
_____ New York _______ London are two of the largest cities in the world.
| A．Either; or | B．Both; and |
| C．Neither; nor | D．Not only; but also |
John was so sleepy that he could hardly keep his eyes ______.
| A．open | B．to be opened | C．to open | D．opening |
— Has Jack finished his homework yet?
— I have no idea；he ＿＿it this morning.
| A．was doing | B．had been doing | C．has done | D．did |
______ leaves the room last ought to make sure that the windows are closed and the door locked.
| A．Whoever | B．Who | C．Who will | D．Those who |