21. Did you watch _______ 8 o’clock news this morning? _______ plane with 100 passengers crashed into a mountain.
A. /; The B. the; A C. the; / D. /; A
22. To be honest, you can hardly imagine the difficulty that I had _______ the money for buying a car.
A. to raise B. raising C. raised D. raise
23. _______ with the size of the whole earth, the highest mountain does not seem high at all.
A. Compare B. Comparing
C. When compared D. When comparing
