--Hello,Tom._____. --Nice to meet you,too.
Susan _______ her schoolbag in the library, so she had to fetch it.
What happened _______ your little sister _______ April Fool’s Day?
— Why are you angry with Michael?— Because I waited for him for two hours last night, but he didn’t _______ at last.
I______900 English words by the time I was ten.
I find ________ difficult to remember everything, though I’m still young.