The new safety regulations were agreed on after _____ with the work-force.
| A．conference | B．participation | C．intervention | D．consultation |
--- Oh, my God! We just missed the last bus back home.
--- I’m sure we_______ it, but you were not in any hurry.
| A．could catch | B．had caught |
| C．would catch | D．could have caught |
The topic,_____we devoted a full discussion, is to be presented to our teacher at class.
| A．which | B．where | C．to which | D．for which |
Unless you have planted something, you won’t be able to know the pleasure of watching the thing you have planted____.
| A．grown | B．growing | C．to grow | D．to be grown |
These interesting articles were written by Anna, who______for our magazine these years.
| A．wrote | B．would write | C．is writing | D．has been writing |
_____for his expert advice, John is often asked to help others with their personal affairs.
| A．Having known | B．Being known |
| C．Known | D．Knowing |