I must decline because the conditions you offered are not （）.

单项选择题This argument sounds reasonable, but （） it’s incorrect.

A．fortunately
B．actually
C．naturally
D．obviously

单项选择题So far the construction of the two new bridges over the river （）.

A．have been completed
B．has been completed
C．has completed
D．have completed

单项选择题It is clear that in modern society high （） and demands are placed on teachers.

A．motivations
B．expectations
C．standards
D．opportunities

单项选择题One of （）most common illnesses in our society is time sickness , （）sense of time pressure and hurry that causes anxiety and tension.

A．/； a 
B．/；th
C．the； a 
D．the； the

单项选择题英语教学中，不同的教学方法都是以不同的______为基础的。