Li Ping often watches _______ English TV news in her spare time. —No wonder she has _______ command of English.

Betty had nothing for breakfast, ____________

ts are required to go out in couples, especiallyin the evenings, with friends ______ they get into trouble．

Do you know ______an “o” and _____ “u” in the word “computer”

I ______ sooner but I didn’ t know that they were waiting for me.