The letters for the boss___________ on his desk but he didn’t read them until 3 days later.
The students ages ____ 15 to 18.
Only when your identity has been checked ____________.
The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed ___ my memory.
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
--- Brad was Jane’s brother! --- _____ he reminded me so much of Jane!