Only when class began _____ that he had left his book at home.
| A．will he realize | B．he did realize |
| C．did he realize | D．should he realize |
His __________ description of his adventure in the forest made us want to have a try ourselves.
| A．magic |
| B．vivid |
| C．relevant |
| D．awesome |
I don't want any reward for my help； I gave it __________ out of friendship.
| A．properly |
| B．purely |
| C．strictly |
| D．conversely |
Nowadays，there is a __________ increase in children's creativity, for they are greatly encouraged to develop their talents.
| A．natural |
| B．sharp |
| C．slight |
| D．modest |
Opening the window, we saw a high mountain__________ us going up into the sky, just like a sky-scraper.
| A．against |
| B．across |
| C．opposite |
| D．through |
__________ around the fire, the tourists danced with the local people.
| A．Gather |
| B．To gather |
| C．Gathering |
| D．To be gathering |