Xiao Li was about to cheat in the exam ________ the teacher came up, smiling to him.
A. as B. when C. while D. until
You can find me easily, for there is only one house _______ roof is flat.
A. whose B. of which C. of that D. that
I shall never forget the days ______ I stayed in Africa, ________ has brought me a lot of advantages.
A. that; which B. when; which C. when; that D. which; that
Never before in my life ________such a beautiful girl with so many high qualities.
A. I met B. did I meet C. I have met D. have I met
—— Don’t smoke today, honey, it’s three months since you smoked.
—— OK, I ______.
A. do B. don’t C. will D. won’t
________ the mountains was hard work for them but as they looked around, they could not help screaming.
A. Climb B. To climb C. For climbing D. They climbed