How beautiful she sings! I have never heard __.
| A．the better voice | B．a good voice | C．the best voice | D．a better voice |
It so happened that they________ the novel before.
| A．had read | B．would read | C．were reading | D．Read |
She________ for nearly two hours.
| A．kept talking | B．kept to talk | C．has kept talking | D．kept to talking |
Spring_______ after winter.
| A．comes | B．came | C．has come | D．had come |
—I hear some noise in the next room.
—Oh, yes. Your sister_______ there.
| A．cries | B．is crying | C．cried | D．was crying |
All the students__________ to plant trees and there’s nobody in the classroom.
| A．go | B．will go | C．have gone | D．wound go |