6. Nowadays, Tet
A. is a short holiday than that in the past
B. is much shorter than that in the past
C. does not last longer than that in the past
D. not lasts as long as that in the past
7. This mountain is
A. higher than that one nearly 100 metres
B. higher nearly 100 metres than that one
C. nearly 100 metres higher than that one
D. higher that one nearly 100 metres