The librarian insists that John _____ no more books from the library before he returns all the books he has borrowed.

-----He should have come to join in the thorough cleaning. -----He________, I think. It’s not his turn.

—Tom, your foreign teacher speaks Chinese fluently!—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.

 I have lost one of my gloves. I _____ it somewhere. 

----.Let’s go to find our manager in his office. ----It’s so late at night .He          be there . Let’s make it another day .