You must _____ a letter to your mother tomorrow.—Well, I will, Dad.

－Sorry, Miss Liu. I forgot __________my homework to school. －__________ so careless, Sandy.

What do you often do _____ classes to relax yourselves–We often do eye exercises ,listen to music or do some running around the school.

What’s your plan for the future?—I hope to get a job in the local newspaper at first and ______ work for China Daily

65. Two dogs ______ a bone, and a third runs away with it.