填空题
A．1959 constitutional amendment
B．southeast
Asia
C．1960s
D．rainy
E．1991
constitutional amendment
F．1980s
填空题
Singapore is an island country in______．
填空题
During most time of year in Singapore it is______．
填空题
The president is elected directly by the people by a______．
填空题
Singapore's economy took off in______．