—What do you think of Spain?—Well, considering its diverse cultures, it is an attractive country, ______ worthy of a visit.
One of the glorious moments in my school life was I was awarded the Mayor’s Award.
We saw ____ audience clapping their hands when ______ popular singer appeared on the stage.
After a long absence, I went back to college, ______ to pick up where I'd left off.
No matter how ______,scientists are eager to know more about it by exploring.
The parking rules in public places should be ______ strictly, otherwise you will get a ticket. A. realized B, recognized C. consulted D. observed