Twofifths of the highway________so far.
| A．has been completed | B．was completed |
| C．have been completed | D．has completed |
49. You must go there at once because the situation prompt action.
| A．calls for | B．calls back | C．calls at | D．calls on |
48. Please _____ tomorrow, my number is 8855463.
| A．call up me | B．call me up | C．call me out | D．call out me |
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 |