-----Did you find the missing couple in the mountain yesterday?-------No, but we _ to get in touch with them ever since.A have tried B. had tried C. have been trying D. had been trying
It was evening__________we reached the little town of Winchester.
__________,I have to put it away and focus my attention on study this week.
__________I can see,there is only one possible way to keep away from the danger.
We were swimming in the lake__________suddenly the storm started.
—Dad,I’ve finished my assignment. —Good,and__________you play or watch TV,you mustn’t disturb me.