He has lived at____ for 30 years.
| A．No. 101 heping Street | B．101 Heping Street |
| C．Heping Street 101 | D．Heping Street No. 101 |
The nationwide smog serves as a constant reminder, indicating that it’s high time we ______ on ourselves.
| A．would reflect | B．have reflected |
| C．are reflecting | D．reflected |
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 |