— Hi, Mary. Any idea where Bill is?
— He ______ in the library. I saw him reading books there just now.
| A．shall be | B．should have been | C．must be | D．might have been |
It is said that that boy, who has a great ______ for singing and dancing, is from Nanchang No.3 Middle School.
| A．gift | B．present | C．award | D．reward |
The oceans and seas ______ the islands are more or less polluted.
| A．surrounding | B．surrounded | C．are surrounded by | D．are surrounding |
Each new way of looking at a situation deepens our understanding and makes ______ easier to discover new possibilities.
| A．this | B．it | C．one | D．that |
Why not stay at home ______ the road is so slippery after the heavy snow?
| A．so long as | B．in case | C．so far as | D．now that |
It is such ______ honor to take part in ______ celebration, so how could I make any mistake?
| A．an; / | B．the; the | C．an; the | D．/; the |