— When will the bike-sharing schemes be introduced to the public?
— Not until _______ a better understanding of them.
A. we have had B. will we have had
C. have we had D. we will have had
On the way to the White Temple, our guide ______ its history and some legends to us.
A. resembled B. renewed C. related D. relayed
— What should we avoid when we work out in summer?
— ______ when the temperature is over 32℃.
A. To run B. Running C. Having run D. To have run
I came across an old school friend in China Town last week, ______ at his funny hairstyle.
A. surprised B. surprising C. being surprised D. having surprised
Life is a tough journey, to some extent, _______ you still smile and love even though you are occasionally hurt and betrayed.
A. where B. what C. when D. which
One of the amazing people I admire is Mother Teresa, who earned her ______ for helping the poor in India.
A. revenues B. reputation C. discrimination D. determination