The system has been designed to give students quick and easy_____to the digital resources of the library.
—May I smoke here? —If you _____, choose a seat in the smoking section.
If you cheat in the exam, you’ll never_____ it.
Would you please keep silent? The weather report ________ and I want to listen.
__________the teacher entering the classroom, the boy pretended _______ the text.
The headmaster asked the boy to apologize ______ the teacher _______ what he had done, but he refused to.