I.
1.A 2.B 3.D 4.A
II.
1.A 2.B 3.B 4.C 5D 6.D
III.
1, (1) holiday (2) flowers (3) started (4) make (5) succeeded (6) became
2,
a, Fathers and children
b, Prunty
c, No
IV.
1. from 2. long 3. on 4. very
V.
1. Although I was tired, I helped my mother with the housework
2. How about making posters on energy saving and hanging them around our school?
VI.
1. We can't swim in the river because it is very dirty
2. Thanks him very much for the dictionary which he gave me.