Only when David did it a second time _________.
It is reported that there are various reasons _____more and more people feel depressed at this time of year.
---I feel nervous before the exam. ---______.It won’t be too difficult for you to pass.
It’s surprise that the faraway village has been ______into a famous tourist city in only ten years.
There was such a long queue for coffee at the interval that we _____gave up.
I didn’t see your sister at the meeting. If she _____, she would have met my brother.