— Tom is never late for work. Why is he absent today ?
— Something _______ to him.
| A．must happen | B．should have happened |
| C．could have happened | D．must have happened |
such a difficult problem, he didn’t know what to do．
| A．Faced |
| B．Facing |
| C．Faced to |
| D．Facing with |
The purpose of new technologies is to make life easier, it more difficult.
| A．not make |
| B．not to make |
| C．not making |
| D．do not make |
They searched in the forest for a whole day, to find the three children who had lost their way the day before.
| A．to hope |
| B．hoping |
| C．hoped |
| D．having hoped |
--- How did it that you left the room without telling anybody?
--- I had thought the meeting was over.
| A．come about |
| B．come over |
| C．come out |
| D．come up |
is no doubt that the Rockets will defeat the Washington Wizards in the next game.
| A．It |
| B．As |
| C．That |
| D．There |