单项选择题
A.hard enough B.hard so to C.so hard as to D.so hard to
The radio is too noisy, please（）.A.turn down it B.tur...
单项选择题The radio is too noisy, please（）.
A.turn down it B.turn it down C.turn off it D.turn it up
The public store is to close at 9:30 p.m. （）no need to ...
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.
A.You have B.They have C.It is D.There is
The population of the earth（）increasing fast.A.isB.areC...
单项选择题The population of the earth（）increasing fast.
A.is B.are C.were D.have been
