________ in his book, he didn't notice me ________ I entered the room.
| A．Devoted; when | B．Absorbed; while |
| C．Absorbed; when | D．Devoted; while |
Growing up _____ be difficult, for you will come across many things that confuse you．
| A．can | B．should | C．must | D．shall |
Lee MinHo, _____ music and films are loved by many teenagers, was invited to perform in the 2014 Spring Festival．
| A．who | B．whom | C．whose | D．which |
If _______, I bet, Milinski will burst into tears.
| A．praising | B．praised | C．being praised | D．having praised |
Shortly after the book Uncle Tom's Cabin________, the Civil War of America________.
| A．came about; broke away | B．came on; broke up |
| C．came out; broke out | D．came up; broke down |
I wonder _______ there are so many natural disasters across the world in 2010.
| A．why is it | B．it is why that | C．why is it that | D．why it is that |