. There are dirty marks/spots on her trousers ________ she had wiped her hands.
| A．where | B．in which | C．when | D．that |
My ______ of tomorrow’s activity is going out for a picnic with my classmates. 
| A．opinion | B．thought | C．mind | D．idea |
Eventually, the President had to leave office_____ public pressure in order to ease the tension of the situation.
| A．in favor of | B．in response to | C．in return for | D．in honor of |
Tom, turn down the music. Whyyou make such a big noise while your baby sister is sleeping?
| A．must | B．would | C．should | D．may |
We first met on a train in 2000．We both felt immediately that we _____ each other for years.
| A．knew | B．have known | C．had known | D．know |
—Did you see who the driver was?
—No, so quickly_________ that I couldn’t get a good look at his face.
| A．does the car speed by | B．the car sped by |
| C．did the car speed by | D．the car speeds by |