While he _________ the robbery at the bank just now, he couldn’t give any informative evidence to help with the investigation.
| A．claimed to witness |
| B．claimed witnessing |
| C．claimed having witnessed |
| D．claimed to have witnessed |
The student to arrive first gets more points than ______ to come last.
| A．that | B．the one | C．one | D．it |
Can you imagine that such a careful driver ______ be caught speeding.
| A．ought to | B．should | C．might | D．would |
The reason ______he is so upset is ________ his father is coming to school for the teacher-parent meeting today.
| A．why; because | B．for what; that |
| C．for what; because | D．why; that |
His wisdom words ______________ the problem that had been bothering me for a long time.
| A．threw lights on | B．threw lights over |
| C．threw light over | D．threw light on |