As _________ teacher, you must believe that you can make ______ difference to the lives of your students.
| A．a; 不填 | B．a; a | C．不填; 不填 | D．不填; a |
The cleaning workers are on strike to make ____ they are doing an important and necessary job for society.
| A．it clear that | B．it clearly that | C．that clear | D．that clearly |
Every minute he could spare was made use ____ spoken English.
| A．of practising | B．of to practise | C．to practise | D．to practicing |
“How much do you ____ for repairing such a pair of shoes?”“Two dollars, sir.”
| A．charge | B．take | C．cost | D．spend |
“Is Jack on duty today?”“It ____ be him. It’s his turn tomorrow.”
| A．mustn’t | B．won’t | C．needn’t | D．can’t |
The director had her assistant ____ some hot dogs for the meeting.
| A．picked up | B．picks up | C．pick up | D．picking up |