The Human Development Report shows that we are making progress in many different aspects but ______we need to make great efforts.
| A．which | B．that | C．what | D．/ |
--- 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 |