(2012江苏卷)— OK, I've had enough of it. I give up. —You can't your responsibilities.
It was back home after the experiment.
is believed that improvement in health care will lead to a stronger , more prosperous economy .
----May I smoke here ? -----If you , choose a seat in the smoking section .
I like getting up very early in summer. The morning air is so good .
-----She looks very happy. She have passed the exam.------I guess so. It’s not difficult after all.