21 .——How long are you staying ?
——I don’t know ._______ .
A That’s OK. B. It depends . C .It depends D .It doesn’t matter
22 .——You ____ part in the party in time .
——Sorry, I was delayed by the accident.
A .are supposed to take . B .have supposed to take .C .are supposed to have taken . D .supposed to take
23 .Maybe you have been to many countries, but nowhere else ___ such a beautiful palace .
A .can you find B .you could find . C .you can find D .could you find
24 .Only by ____ your compositions can you make them attractive to the reader .
A .checking B .decoating . C .polishing D .publishing
