I went to see you yesterday evening. But you weren’t in. Where were you then— I _______ a walk by the lake with my husband .

Can you think of some casespeople are likely to tell lies?

It’s nice of you to ______ so much time showingme around your school.

He was too excited to get to sleep．He was still________at about 2:00 am．

_ a pair of compasses, it is easy todescribe a circle.