---It was a red light, Willian. You __________ the car.
---Sorry. I didn’t see it.
| A．must stop | B．should stop | C．must have stopped | D．should have stopped |
The letter is still in my pocket. I forgot __ it.
| A．post | B．posting | C．to post | D．being posted |
Don’t believe him. He is __ again.
| A．lying | B．laying | C．lied | D．laid |
The room I __ is that big one.
| A．am referring | B．referred | C．have referred | D．referred to |
Hearing the news, Ruth could not help ___.
| A．laugh | B．laughing | C．to laugh | D．laughed |
___ from the hill, the church looks very beautiful.
| A．Seeing | B．Seen | C．To see | D．To be seen |