–Have you finished your experiment report, Jane?--Oh, my god! I’ve _______ forgotten all about that.
My father began to work ______ a bus driver when he was 20 years old.
It was Jane_____ I saw in the library this morning.
If we follow his plan, we can do the job better with _____money and ____people.
----Let’s ________some dumplings right now.---- OK. I will cut up the meat first.
When Mary came, I _____ on the piano.