—Why do you want the book so much?
—_______, sir.
| A．Studying | B．Studies | C．Studied | D．To study |
got on the train when it began to move．
| A．No sooner had I | B．I had no sooner |
| C．Hardly had I | D．I hardly had |
--How about your journey to Mount Emei?
--Everything was wonderful except that our car _________ twice on the way．
| A． | slowed down | B． | broke down |
| C． | got down | D． | put down |
_____ his arrival at the airport he was greeted by many teenagers holding flowers in their hands．
| A．Upon | B．Within | C．Through | D．Beyond |
Hehadhiscamerareadyjusthesawsomethingthatwouldmakeagoodpicture．
| A．so that | B．asif | C．evenif | D．incase |
________ global energy safety, all the countries have been called on to take joint efforts ．
| A．Having ensured | B．Ensuring |
| C．To ensure | D．To have ensured |