Susan _______ her schoolbag in the library, so she had to fetch it.
A.forgot B. lost C. left D. enough, to
What happened _______ your little sister _______ April Fool’s Day?
A.on, in B. at, on
C. by, at D. to, on
— Why are you angry with Michael?
— Because I waited for him for two hours last night, but he didn’t _______ at last.
A.show up B. hand up
C. come up D. stay up
I______900 English words by the time I was ten.
A.learned B.was learning
C.had learned D.have learned
I find ________ difficult to remember everything, though I’m still young.
A.that B. this C. it D./
---When is Jay’s concert? ---It’s______three o’clock______the afternoon of July 18th.
A.at;in B.at;on
C.on;in D.in;on