They are considering______ they should do the experiment .
| A．weather | B．that | C．whether | D．what |
( ) 19. What surprised me most was not what he said but _____ he said it.
| A．the way | B．in the way that | C．in the way | D．the way which |
( ) 18. If the work _______ by the end of the month is delayed, the construction company will be fined.
| A．being completed | B．have been completed |
| C．to be completed | D．will be completed |
( ) 17. In those days, whenever I had difficulties, I _______Mr Shen for help.
| A．used to go to | B．was used to go to | C．would go to | D．used to going to |
( ) 16. ----- Has John arrived yet? ----- No, she _______ an hour ago.
| A．was supposed to come | B．must have come |
| C．should come | D．ought to have come |
( ) 15. The building is ________.
| A．twenty-metre-high | B．twenty –metre high |
| C．twenty metre high | D．twenty metres high |