So suddenly that the animals in the zoo looked very frightened during the total solar eclipse.
| A．did the sky turn dark | B．the sky did turn dark |
| C．turned the sky dark | D．was the sky turned dark |
Half of __________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.
| A．these | B．some |
| C．ones | D．those |
-Silly me ！ I forget what my luggage looks like.
-What do you think of __________ over there?
| A．the one | B．this |
| C．it | D．that |
I would appreciate __________，to be frank, if the goods could be delivered as soon as possible.
| A．you | B．this |
| C．it | D．that |
__________ get to the company on time, we set out early in the morning.
| A．So as to | B．In order to |
| C．So that | D．In order that |
The order came __________ the soldiers __________ the small village the next morning.
| A．that; had to leave | B．/；must leave |
| C．that; should leave | D．when; should leave |