The young man ________ there playing his mobile phone all the afternoon, but he ________ to his boss that he had finished what should be done.

I can’t find my history book ， ________I know it’s somewhere in the living room.

you are going to America, do ________ the chance to improve your spoken English

Many people can’t learn any lessons from the mistakes they’ve made _____ they get hurt somehow.[ ]

rst time I ____ Todd, he ____ to some students at the English corner.