All but one _____ take part in the conference ＿＿ tomorrow.
| A．is going to that is to take place | B．are going to that is about to take place |
| C．are going to that is to be taken place | D．are going to； which is to be held |
__ was once regarded as impossible has come true.
| A．Who | B．Which | C．That | D．What |
I have no idea ___.
| A．that she has come | B．what she has come | C．that she comes | D．what she came |
The reason______ he gave for being absent from school was ______ he had to attend his sick mother at home.
| A．which; because | B．why; because | C．不填; that | D．why; that |
Little Tom hid himself in the place_______ couldn’t be found, _______make her mother annoyed.
| A．that; that | B．that; which | C．where; which | D．which; what |
The river______ surface used to be covered with waste and rubbish is now taking on a new look.
| A．of which | B．along with | C．where | D．whose |