Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she'll make it every other week.
A lion ____ only attack a human being when it is hungry .
If you ____ me , I''ll give you some advice .
He looks very tired . He ____ to bed too late last night .
____ the bike Smith had stolen ?
The girl was frightened by the thief , and she stood there without ____ speak .