His house, for _______ he paid $10, 000, is now worth $50, 000.
| A．that | B．it | C．them | D．which |
When and where this took place _____ still unknown.
| A．is | B．has | C．were | D．are |
So touching ______ that I couldn’t hold my tears back when I heard it for the first time.
| A．the song had sounded | B．had the song sounded |
| C．the song sounded | D．did the song sound |
Life is always full of hardships. _______ a better life, we need positive energy.
| A．Live | B．To live | C．Living | D．Lived |
—Will you come over to Beijing next summer?
—I’d like to, but my family ______ London that summer.
| A．are visiting | B．are to visit |
| C．will be visiting | D．will visit |
Success is not final, and failure is not deadly. It is the courage to continue ______ counts in life.
| A．that | B．which | C．where | D．when |