Doctors say that exercise is important for health, but it must be        exercise.
#19476
A
frequent
B
normal
C
regular
D
usual
推荐题目
I______ myself more-it was a perfect day.
#18234
A
shouldn’t have enjoyed
B
needn’t have enjoyed
C
wouldn’t have enjoyed
D
couldn’t have enjoyed
----What do you think of the film Jurassic Park in 3D?----It is        .
#18163
A
well worthy of watching
B
very worthy to watch
C
well worth watching
D
very worth of watching