The president was so absorbed in his work that not a sound __________.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |
47. ____ in thought, he didn’t notice me when I came into his room.
| A．Burying | B．Buried | C．Put himself | D．To be set |
46. The house _____ in 1808 still remained there.
| A．was built | B．being set up | C．to be constructed | D．Built |
45. The soup is too hot. Be careful not toyour mouth.
| A．damage | B．burn | C．hurt | D．Boil |
44. We must _____ good relations with our classmates because co-operation is essential to us, modern people.
| A．do | B．put | C．build | D．Set |
43. The spring breezes gently _____ her cheeks and everything is clothed in green.
| A．brushed | B．moved | C．rushed | D．Touched |