As environment protection is becoming _______ public concern, _______ government is determined to pay more attention to the issue.
| A．不填；the | B．a; 不填 | C．the; a | D．a; the |
The letter he had been looking forward to________at last this morning.
| A．come | B．comes |
| C．coming | D．came |
Though Tom was impolite to the new teacher，she________him his rudeness.
| A．excused | B．apologized |
| C．forgave | D．punished |
_______not to miss the flight at 15∶20，the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded |
| C．To remind | D．Having reminded |
—John looks a bit upset.Did you tell him the bad news?
—Yes，but I________him after his birthday party.
| A．should have told | B．must have told |
| C．shouldn’t have told | D．needn’t have told |
The weather turned out to be fine yesterday.You ________the trouble to carry your raincoat with you.
| A．should have taken | B．could have taken |
| C．needn’t have taken | D．mustn’t have taken |