—Where did you get this book?—I picked it up from a second-hand bookshop if you ______ know.

—Why didn’t you come to Simon’s party last night?—I wanted to, but my mom simply _____ not let me out so late at night.

_Can you write a letter in English? _No, I______.I know only a little English.

---Is John coming by train?    ---He should, but he ________ not. He likes driving his car.

He _____ have fallen asleep last night because he didn’t hear the phone call.