I.                   Put the right modal verb (must, may/might, need, should, can/could).   1. I suppose you … think about your future not about the past. 2.  … I borrow your book? 3. It was so quiet that one … hear a leaf dr...

  I.                   Put the right modal verb (must, may/might, need, should, can/could).   1. I suppose you … think about your future not about the past. 2.  … I borrow your book? 3. It was so quiet that one … hear a leaf drop. 4. You … worry, everything is OK. 5.  … we go out?