单项选择题
I rarely play basketball.A．normallyB．seldomC．frequently...
单项选择题I rarely play basketball.
Our English teacher is sick.A．fatB．weakC．illD．mad
单项选择题Our English teacher is sick.
There is no risk to public health.A．pointB．dangerC．chan...
单项选择题There is no risk to public health.
