I wonder how much ________.
| A．the watch costs | B．did the watch cost | C．the watch costed | D．does the watch cost |
They were much ______ by the magician’s trick and were falling about.
| A．annoyed |
| B．amused |
| C．enjoyed |
| D．disappointed |
They spoke in ______ for fear that they should be heard.
| A．shouts |
| B．silence |
| C．screams |
| D．whispers |
It was ______ creative thinking that I took the course, not to get high marks in examinations.
| A．developing |
| B．to develop |
| C．develop |
| D．being developed |
The children enjoyed ______ round the newly polished floor.
| A．sliding |
| B．slid |
| C．to slide |
| D．being slid |
It is a waste of time ______ him – he is determined to go his own way.
| A．warning |
| B．warned |
| C．warn |
| D．having warned |