How can you expect him to make any improvement ________you never give him an opportunity to have a try?
A. unless B. when C. until D. while
The 2016 Summer Olympic Games will be held in Rio de Janeiro, Brazil, which becomes the first city in South America _________ Olympics.
A.hosting B. having hosted
C. being hosted D. to host
—For the long-term development, we have to attach importance to the quality of our products.
—That’s right. ______.
A. Great minds think alike
B. Two heads are better than one
C. In the end things will mend
D. Look before you leap
We students had better ______ some sports because sports can give us a perfect figure and protect us from getting illness easily.
A. take up B. make up
C. pick up D. build up
Finally, the young explorer, through a series of lucky accidents, arrived ______ was so-called the valley of death by the locals.
A. where B. what C. in which D. in what
The police and the locals joined together to look for the missing boy, ______
his families a ray of hope.
A. gave B. to give
C. giving D. having given
