—What do you think of teaching, Bob?—I find it fun and challenging. It is a job __________you are doing something serious but interesting.
Brian is gifted in writing music; he is very likely to be Beethoven.
More expressways in Sichuan soon to promote the local economy.
The books on the desk, covers are shiny, are prizes for us.
You _____be careful with the camera. It costs!
That restaurant is extremely popular, ______ you may have to wait to get a seat.