Jack’s room always has the dusty smell of an apartment whose windows are          

opened.

A．rarely        B．generally          C．apparently           D．frequently

Jack’s room always has the dusty smell of an apartment whose windows are        opened.

A．rarely          B．generally            C．apparently           D．frequently

 Jack’s room always has the dusty smell of an apartment whose windows are       opened .

A. fluently            B. generally          C. rarely           D. frequently

Jack’s room always has the dusty smell of an apartment whose windows are　opened.

A．rarely                   B．generally             C．apparently           D．frequently