单项选择题
The rain was（）make our picnic impossible.
A.hard enough B.hard so to C.so hard as to D.so hard to
单项选择题 The radio is too noisy, please（）.
单项选择题 The public store is to close at 9:30 p.m. （）no need to worry; it is just 7:30 p.m.
单项选择题 The population of the earth（）increasing fast.
