( B )52.Which picture can be the following one?
( C )53.Which’s the next number?
A. 66 B.67 C.73 D.75
( A)54.Look at the following houses. The number on the third roof is___.
A.20 B.30 C.39 D.45 (B)55.The question mark stands for______.
A.13 B.25 C.32 D.50
