.
—I expected him to be nervous before his speech, but he was as cool as a cucumber.
—He _______ it carefully.
| A．could have prepared | B．shouldn’t have prepared |
| C．must have prepared | D．can’t have prepared |
All of _____ sudden, the passengers on _____ board let out screams, running upstairs like crazy.
| A．a; / | B．the; the | C．the; / | D．a; the |
– I hear that as many as 150 people were killed in the earthquake.
– Yes,_____ news came as ______ shock to us.
| A．a; a | B．the; a | C．/; / | D．/; a |
¾What do you remember Alexander Graham Bell as?
¾As ______ inventor of ______ telephone.
| A．an; / | B．the; a | C．the; the | D．/; the |
Recently some studies have found that learning ____________ second language can lead to _______________ increase in one’s brain power.
| A．a; the | B．不填; the | C．a; an | D．the; an |
In china,pressure to pass exams gives students the impression that learning comes from textbooks.
| A．/; / | B．the; the | C．the; / | D．/; the |