You see the lightning _____ it happens, but you hear the thunder later.
| A．for an instant | B．on the instant | C．in a instant | D．the instant |
—Would you please help me with the box? 
—_________
| A．Yes, please | B．No, please don’t | C．With pleasure | D．My pleasure |
David threatened_____ his neighbour to the police if the damages were not paid. 
| A．to be reported | B．reporting |
| C．to report | D．having reported |
—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 |
Mary went to the box office at lunch time, but all the tickets ____out.
| A．would sell | B．had sold | C．have sold | D．was selling |
News came from the school office ________Wang Lin had been admitted to Beijing University.
| A．which | B．what | C．that | D．where |