Our city has developed into a big city，which is it used to be．
| A．four times large than that |
| B．four times the size of what |
| C．four times the size larger than that |
| D．as tour times the size as that |
.There was such a long queue for coffee at the interval that we______gave up.
| A．eventually | B．unfortunately | C．generously | D．purposefully |
All the efforts finally______in 2007, when the band's first album won lots of awards.
| A．took off | B．ran off | C．set off | D．paid off |
.The song is about a young couple forced to separate______, but they valued the
memories of their love all their lives.
| A．temporarily | B．frequently | C．casually | D．permanently |
All the Chinese are looking forward to our country's first______to land on the moon after the successful trip of Chang'e to it.
| A．practice | B．purpose | C．attempt | D．act |
The concert _______ many foreign students were invited was a feast for the eyes.
| A．for which | B．to which | C．in which | D．on which |