It is in Qingdao___you’re going to pay a visit to__this kind of washing machine is produced
| A．/ , that | B．where, which | C．/ , where | D．that, which |
While having our dinner, _______.
| A．the door bell rang |
| B．our newspapers came to the door |
| C．we heard the door bell ringing |
| D．the postman brought several letters to us |
--- How do you find your missing pen?
--- Wow. _______________.
| A．It writes well | B．Quite by accident |
| C．It lies on my desk | D．It was kept by my grandfather |
With the situation worsening between China and Japan, the world’s attention is fixed again on_______ is called the East Asia.
| A．which | B．what | C．that | D．it |
I ___________ to phone her all day, but whenver I phone her, the line is engaged.
| A．tried | B．had been trying | C．have tried | D．have been trying |
Not until the press reported the pollution _________ why the water supply had been cut off.
| A．people did know | B．people had known |
| C．did people know | D．had people known |