Scientists from different countries are trying to_______ a good way to solve the energy problem.
| A．keep up with | B．come up with | C．catch up with | D．meet up with |
--- It’s said that Lee Kuan Yew，the founding father of Singapore，____ at the age of 91.
---I’m sorry to hear that. He is thought to be a real hero in his country.
| A．passed away | B．took away |
| C．went away | D．put away |
--- Look, Mary has a new bike. How nice it is !
---Yes. Her parents bought _____ for her progress in this exam. My parents also bought _____ for me for my improvement in English.
| A．one； it | B．it； it | C．one； one | D．it； one |
--- Excuse me, can I interview Mr. Miller this afternoon?
--- A moment, please. Let me check_________.
| A．if Mr. Miller will be free |
| B．when will Mr. Miller have time |
| C．if Mr. Miller had an appointment |
| D．when does Mr. Miller come back |
---I met your boss in the street this morning.
---Ah? You _____ be joking. He flew to Europe yesterday!
| A．must | B．should | C．could | D．might |
--- When will our graduation ceremony be held?
---______ two weeks’ time, _______ 18th June.
| A．On, in | B．In, on | C．On, on | D．At, on |