I was about to leave __________ someone knocked at the door.
| A．when |
| B．while |
| C．since |
| D．once |
---I have _______that he will continue to rise to the challenges ahead.
---Absolutely.
| A．no doubt | B．no wonder | C．no problem | D．no way |
He is taller than he______.
| A．used | B．used to be | C．used to | D．used to do |
sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.
| A．With | B．Since | C．For | D．As |
—Would you rather come on Friday or Saturday?
—________.
| A．Yes, of course | B．The other is better |
| C．What’s the matter | D．Either would suit me |
Professor Williams keeps telling his students that the future________ to the well-educated.
| A．is belonging | B．is belonged | C．belongs | D．will be belonged |