Many high school students are _____ to go to college, but _____about failing the entrance examinations.
A. eager… generous B. eager…keen C. anxious…eager 
eager… anxious
His singing career began to ______ in the late 1990s.
| A．get off | B．take off |
| C．put off | D．set off |
Tsinghua University, ______ in 1911, is home to a great number of outstanding figures.
| A．found | B．founding |
| C．founded | D．to be founded |
__________ you know, this is the day the quake happened
| A．It | B．As | C．That | D．What |
I hate ______ when the weather becomes freezing cold because there is no heater inside.
| A．this | B．that | C．it | D．so |
Rather than _______ on a crowded bus, he always prefers ______ a bike.
| A．ride; to ride | B．riding; ride |
| C．ride; ride | D．to ride; riding |