Teenagers _______ allowed to drive in the street .
--- Excuse me, can I interview Mr. Miller this afternoon?--- A moment, please. Let me check_________.
---I met your boss in the street this morning.---Ah? You _____ be joking. He flew to Europe yesterday!
--- When will our graduation ceremony be held?---______ two weeks’ time, _______ 18th June.
There are over 58,000 rocky objects in_____ space,about 900 of which could fall down onto ______ earth.
---I heard quite a few bikes were thrown away at Liaocheng University.--- _________________. They should be made use of.