Could you tell the differences _____ these two words? — OK, let me have a try. [ ]

How was your vacation to Qingdao?—It was _____________.

the red switch on the left and the flying machine will swiftly go up into the air and its journey.

How do you find the movie The Cove? —__________sad. It__________a bloody picture of dolphins being killed.

In our city, _______ middle school students want to work as a teacher in the future.