As is well known, carelessness and irresponsibility _______ many deadly accidents.
| A．lead to | B．result from | C．contribute to | D．result in |
Frank, with his two sisters, _____London by train which _____at 8:30 next morning.
| A．is leaving for; will leave | B．are leaving for; leaves |
| C．is leaving for; leaves | D．will leave for; will leave |
It is this kind of exciting trip _____most of my classmates only dream about.
| A．when | B．while | C．as | D．that |
The engineers are so busy that they have zero time for outdoor sports activities, _____they have the interest.
| A．wherever | B．whenever | C．even if | D．as if |
--Oh, Kate! Glad to see you again. It ____my pleasure to see you here.
---Me, too.
| A．adds in | B．adds to | C．adds up | D．adds up to |
Only when he got there _____how much damage had been caused.
| A．be realized | B．he had realized |
| C．had he realized | D．did he realize |